289921860280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54979}}^1\times {\mathrm{10141}}^1$

素因数の和:65144

約数の個数: 64

約数和(自身を含む): 702585021600

約数和(自身を除く): 412663161320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 10141, 20282, 40564, 50705, 54979, 81128, 101410, 109958, 131833, 202820, 219916, 263666, 274895, 405640, 439832, 527332, 549790, 659165, 714727, 1054664, 1099580, 1318330, 1429454, 2199160, 2636660, 2858908, 3573635, 5273320, 5717816, 7147270, 14294540, 28589080, 557542039, 1115084078, 2230168156, 2787710195, 4460336312, 5575420390, 7248046507, 11150840780, 14496093014, 22301681560, 28992186028, 36240232535, 57984372056, 72480465070, 144960930140, 289921860280]

約数ペア:

[(1, 289921860280), (2, 144960930140), (4, 72480465070), (5, 57984372056), (8, 36240232535), (10, 28992186028), (13, 22301681560), (20, 14496093014), (26, 11150840780), (40, 7248046507), (52, 5575420390), (65, 4460336312), (104, 2787710195), (130, 2230168156), (260, 1115084078), (520, 557542039), (10141, 28589080), (20282, 14294540), (40564, 7147270), (50705, 5717816), (54979, 5273320), (81128, 3573635), (101410, 2858908), (109958, 2636660), (131833, 2199160), (202820, 1429454), (219916, 1318330), (263666, 1099580), (274895, 1054664), (405640, 714727), (439832, 659165), (527332, 549790)]