77270440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8741}}^1$

素因数の和:8782

約数の個数: 64

約数和(自身を含む): 198268560

約数和(自身を除く): 120998120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8741, 8840, 17482, 34964, 43705, 69928, 87410, 113633, 148597, 174820, 227266, 297194, 349640, 454532, 568165, 594388, 742985, 909064, 1136330, 1188776, 1485970, 1931761, 2272660, 2971940, 3863522, 4545320, 5943880, 7727044, 9658805, 15454088, 19317610, 38635220, 77270440]

約数ペア:

[(1, 77270440), (2, 38635220), (4, 19317610), (5, 15454088), (8, 9658805), (10, 7727044), (13, 5943880), (17, 4545320), (20, 3863522), (26, 2971940), (34, 2272660), (40, 1931761), (52, 1485970), (65, 1188776), (68, 1136330), (85, 909064), (104, 742985), (130, 594388), (136, 568165), (170, 454532), (221, 349640), (260, 297194), (340, 227266), (442, 174820), (520, 148597), (680, 113633), (884, 87410), (1105, 69928), (1768, 43705), (2210, 34964), (4420, 17482), (8741, 8840)]