1813858280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1\times {\mathrm{2441}}^1$

素因数の和:3894

約数の個数: 64

約数和(自身を含む): 4399995600

約数和(自身を除く): 2586137320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1429, 2441, 2858, 4882, 5716, 7145, 9764, 11432, 12205, 14290, 18577, 19528, 24410, 28580, 31733, 37154, 48820, 57160, 63466, 74308, 92885, 97640, 126932, 148616, 158665, 185770, 253864, 317330, 371540, 634660, 743080, 1269320, 3488189, 6976378, 13952756, 17440945, 27905512, 34881890, 45346457, 69763780, 90692914, 139527560, 181385828, 226732285, 362771656, 453464570, 906929140, 1813858280]

約数ペア:

[(1, 1813858280), (2, 906929140), (4, 453464570), (5, 362771656), (8, 226732285), (10, 181385828), (13, 139527560), (20, 90692914), (26, 69763780), (40, 45346457), (52, 34881890), (65, 27905512), (104, 17440945), (130, 13952756), (260, 6976378), (520, 3488189), (1429, 1269320), (2441, 743080), (2858, 634660), (4882, 371540), (5716, 317330), (7145, 253864), (9764, 185770), (11432, 158665), (12205, 148616), (14290, 126932), (18577, 97640), (19528, 92885), (24410, 74308), (28580, 63466), (31733, 57160), (37154, 48820)]