28093520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 85494528

約数和(自身を除く): 57401008

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 227, 238, 260, 272, 280, 340, 364, 442, 454, 455, 476, 520, 560, 595, 680, 728, 884, 908, 910, 952, 1040, 1105, 1135, 1190, 1360, 1456, 1547, 1589, 1768, 1816, 1820, 1904, 2210, 2270, 2380, 2951, 3094, 3178, 3536, 3632, 3640, 3859, 4420, 4540, 4760, 5902, 6188, 6356, 7280, 7718, 7735, 7945, 8840, 9080, 9520, 11804, 12376, 12712, 14755, 15436, 15470, 15890, 17680, 18160, 19295, 20657, 23608, 24752, 25424, 27013, 29510, 30872, 30940, 31780, 38590, 41314, 47216, 50167, 54026, 59020, 61744, 61880, 63560, 77180, 82628, 100334, 103285, 108052, 118040, 123760, 127120, 135065, 154360, 165256, 200668, 206570, 216104, 236080, 250835, 270130, 308720, 330512, 351169, 401336, 413140, 432208, 501670, 540260, 702338, 802672, 826280, 1003340, 1080520, 1404676, 1652560, 1755845, 2006680, 2161040, 2809352, 3511690, 4013360, 5618704, 7023380, 14046760, 28093520]

約数ペア:

[(1, 28093520), (2, 14046760), (4, 7023380), (5, 5618704), (7, 4013360), (8, 3511690), (10, 2809352), (13, 2161040), (14, 2006680), (16, 1755845), (17, 1652560), (20, 1404676), (26, 1080520), (28, 1003340), (34, 826280), (35, 802672), (40, 702338), (52, 540260), (56, 501670), (65, 432208), (68, 413140), (70, 401336), (80, 351169), (85, 330512), (91, 308720), (104, 270130), (112, 250835), (119, 236080), (130, 216104), (136, 206570), (140, 200668), (170, 165256), (182, 154360), (208, 135065), (221, 127120), (227, 123760), (238, 118040), (260, 108052), (272, 103285), (280, 100334), (340, 82628), (364, 77180), (442, 63560), (454, 61880), (455, 61744), (476, 59020), (520, 54026), (560, 50167), (595, 47216), (680, 41314), (728, 38590), (884, 31780), (908, 30940), (910, 30872), (952, 29510), (1040, 27013), (1105, 25424), (1135, 24752), (1190, 23608), (1360, 20657), (1456, 19295), (1547, 18160), (1589, 17680), (1768, 15890), (1816, 15470), (1820, 15436), (1904, 14755), (2210, 12712), (2270, 12376), (2380, 11804), (2951, 9520), (3094, 9080), (3178, 8840), (3536, 7945), (3632, 7735), (3640, 7718), (3859, 7280), (4420, 6356), (4540, 6188), (4760, 5902)]