497981120

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 224

約数和(自身を含む): 1493520000

約数和(自身を除く): 995538880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 343, 349, 364, 392, 416, 448, 455, 490, 520, 560, 637, 686, 698, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1372, 1396, 1456, 1568, 1715, 1745, 1820, 1960, 2080, 2240, 2443, 2548, 2744, 2792, 2912, 3136, 3185, 3430, 3490, 3640, 3920, 4160, 4459, 4537, 4886, 5096, 5488, 5584, 5824, 6370, 6860, 6980, 7280, 7840, 8918, 9074, 9772, 10192, 10976, 11168, 12215, 12740, 13720, 13960, 14560, 15680, 17101, 17836, 18148, 19544, 20384, 21952, 22295, 22336, 22685, 24430, 25480, 27440, 27920, 29120, 31759, 34202, 35672, 36296, 39088, 40768, 44590, 45370, 48860, 50960, 54880, 55840, 63518, 68404, 71344, 72592, 78176, 85505, 89180, 90740, 97720, 101920, 109760, 111680, 119707, 127036, 136808, 142688, 145184, 156352, 158795, 171010, 178360, 181480, 195440, 203840, 222313, 239414, 254072, 273616, 285376, 290368, 317590, 342020, 356720, 362960, 390880, 444626, 478828, 508144, 547232, 598535, 635180, 684040, 713440, 725920, 781760, 889252, 957656, 1016288, 1094464, 1111565, 1197070, 1270360, 1368080, 1426880, 1451840, 1556191, 1778504, 1915312, 2032576, 2223130, 2394140, 2540720, 2736160, 3112382, 3557008, 3830624, 4446260, 4788280, 5081440, 5472320, 6224764, 7114016, 7661248, 7780955, 8892520, 9576560, 10162880, 12449528, 14228032, 15561910, 17785040, 19153120, 24899056, 31123820, 35570080, 38306240, 49798112, 62247640, 71140160, 99596224, 124495280, 248990560, 497981120]

約数ペア:

[(1, 497981120), (2, 248990560), (4, 124495280), (5, 99596224), (7, 71140160), (8, 62247640), (10, 49798112), (13, 38306240), (14, 35570080), (16, 31123820), (20, 24899056), (26, 19153120), (28, 17785040), (32, 15561910), (35, 14228032), (40, 12449528), (49, 10162880), (52, 9576560), (56, 8892520), (64, 7780955), (65, 7661248), (70, 7114016), (80, 6224764), (91, 5472320), (98, 5081440), (104, 4788280), (112, 4446260), (130, 3830624), (140, 3557008), (160, 3112382), (182, 2736160), (196, 2540720), (208, 2394140), (224, 2223130), (245, 2032576), (260, 1915312), (280, 1778504), (320, 1556191), (343, 1451840), (349, 1426880), (364, 1368080), (392, 1270360), (416, 1197070), (448, 1111565), (455, 1094464), (490, 1016288), (520, 957656), (560, 889252), (637, 781760), (686, 725920), (698, 713440), (728, 684040), (784, 635180), (832, 598535), (910, 547232), (980, 508144), (1040, 478828), (1120, 444626), (1274, 390880), (1372, 362960), (1396, 356720), (1456, 342020), (1568, 317590), (1715, 290368), (1745, 285376), (1820, 273616), (1960, 254072), (2080, 239414), (2240, 222313), (2443, 203840), (2548, 195440), (2744, 181480), (2792, 178360), (2912, 171010), (3136, 158795), (3185, 156352), (3430, 145184), (3490, 142688), (3640, 136808), (3920, 127036), (4160, 119707), (4459, 111680), (4537, 109760), (4886, 101920), (5096, 97720), (5488, 90740), (5584, 89180), (5824, 85505), (6370, 78176), (6860, 72592), (6980, 71344), (7280, 68404), (7840, 63518), (8918, 55840), (9074, 54880), (9772, 50960), (10192, 48860), (10976, 45370), (11168, 44590), (12215, 40768), (12740, 39088), (13720, 36296), (13960, 35672), (14560, 34202), (15680, 31759), (17101, 29120), (17836, 27920), (18148, 27440), (19544, 25480), (20384, 24430), (21952, 22685), (22295, 22336)]