869439220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{37573}}^1$

素因数の和:37684

約数の個数: 48

約数和(自身を含む): 1988416080

約数和(自身を除く): 1118976860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 37573, 75146, 150292, 187865, 375730, 488449, 751460, 976898, 1953796, 2442245, 3343997, 4884490, 6687994, 9768980, 13375988, 16719985, 33439970, 43471961, 66879940, 86943922, 173887844, 217359805, 434719610, 869439220]

約数ペア:

[(1, 869439220), (2, 434719610), (4, 217359805), (5, 173887844), (10, 86943922), (13, 66879940), (20, 43471961), (26, 33439970), (52, 16719985), (65, 13375988), (89, 9768980), (130, 6687994), (178, 4884490), (260, 3343997), (356, 2442245), (445, 1953796), (890, 976898), (1157, 751460), (1780, 488449), (2314, 375730), (4628, 187865), (5785, 150292), (11570, 75146), (23140, 37573)]