228273920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 635275200

約数和(自身を除く): 407001280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 256, 280, 292, 320, 349, 365, 448, 511, 560, 584, 640, 698, 730, 896, 1022, 1120, 1168, 1280, 1396, 1460, 1745, 1792, 2044, 2240, 2336, 2443, 2555, 2792, 2920, 3490, 4088, 4480, 4672, 4886, 5110, 5584, 5840, 6980, 8176, 8960, 9344, 9772, 10220, 11168, 11680, 12215, 13960, 16352, 18688, 19544, 20440, 22336, 23360, 24430, 25477, 27920, 32704, 39088, 40880, 44672, 46720, 48860, 50954, 55840, 65408, 78176, 81760, 89344, 93440, 97720, 101908, 111680, 127385, 130816, 156352, 163520, 178339, 195440, 203816, 223360, 254770, 312704, 327040, 356678, 390880, 407632, 446720, 509540, 625408, 654080, 713356, 781760, 815264, 891695, 1019080, 1426712, 1563520, 1630528, 1783390, 2038160, 2853424, 3127040, 3261056, 3566780, 4076320, 5706848, 6522112, 7133560, 8152640, 11413696, 14267120, 16305280, 22827392, 28534240, 32610560, 45654784, 57068480, 114136960, 228273920]

約数ペア:

[(1, 228273920), (2, 114136960), (4, 57068480), (5, 45654784), (7, 32610560), (8, 28534240), (10, 22827392), (14, 16305280), (16, 14267120), (20, 11413696), (28, 8152640), (32, 7133560), (35, 6522112), (40, 5706848), (56, 4076320), (64, 3566780), (70, 3261056), (73, 3127040), (80, 2853424), (112, 2038160), (128, 1783390), (140, 1630528), (146, 1563520), (160, 1426712), (224, 1019080), (256, 891695), (280, 815264), (292, 781760), (320, 713356), (349, 654080), (365, 625408), (448, 509540), (511, 446720), (560, 407632), (584, 390880), (640, 356678), (698, 327040), (730, 312704), (896, 254770), (1022, 223360), (1120, 203816), (1168, 195440), (1280, 178339), (1396, 163520), (1460, 156352), (1745, 130816), (1792, 127385), (2044, 111680), (2240, 101908), (2336, 97720), (2443, 93440), (2555, 89344), (2792, 81760), (2920, 78176), (3490, 65408), (4088, 55840), (4480, 50954), (4672, 48860), (4886, 46720), (5110, 44672), (5584, 40880), (5840, 39088), (6980, 32704), (8176, 27920), (8960, 25477), (9344, 24430), (9772, 23360), (10220, 22336), (11168, 20440), (11680, 19544), (12215, 18688), (13960, 16352)]