4939220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 12356232

約数和(自身を除く): 7417012

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 157, 220, 242, 260, 286, 314, 484, 572, 605, 628, 715, 785, 1210, 1430, 1570, 1573, 1727, 2041, 2420, 2860, 3140, 3146, 3454, 4082, 6292, 6908, 7865, 8164, 8635, 10205, 15730, 17270, 18997, 20410, 22451, 31460, 34540, 37994, 40820, 44902, 75988, 89804, 94985, 112255, 189970, 224510, 246961, 379940, 449020, 493922, 987844, 1234805, 2469610, 4939220]

約数ペア:

[(1, 4939220), (2, 2469610), (4, 1234805), (5, 987844), (10, 493922), (11, 449020), (13, 379940), (20, 246961), (22, 224510), (26, 189970), (44, 112255), (52, 94985), (55, 89804), (65, 75988), (110, 44902), (121, 40820), (130, 37994), (143, 34540), (157, 31460), (220, 22451), (242, 20410), (260, 18997), (286, 17270), (314, 15730), (484, 10205), (572, 8635), (605, 8164), (628, 7865), (715, 6908), (785, 6292), (1210, 4082), (1430, 3454), (1570, 3146), (1573, 3140), (1727, 2860), (2041, 2420)]