71678750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 80

約数和(自身を含む): 158236848

約数和(自身を除く): 86558098

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 401, 550, 625, 650, 715, 802, 1250, 1375, 1430, 1625, 2005, 2750, 3250, 3575, 4010, 4411, 5213, 6875, 7150, 8125, 8822, 10025, 10426, 13750, 16250, 17875, 20050, 22055, 26065, 35750, 44110, 50125, 52130, 57343, 89375, 100250, 110275, 114686, 130325, 178750, 220550, 250625, 260650, 286715, 501250, 551375, 573430, 651625, 1102750, 1303250, 1433575, 2756875, 2867150, 3258125, 5513750, 6516250, 7167875, 14335750, 35839375, 71678750]

約数ペア:

[(1, 71678750), (2, 35839375), (5, 14335750), (10, 7167875), (11, 6516250), (13, 5513750), (22, 3258125), (25, 2867150), (26, 2756875), (50, 1433575), (55, 1303250), (65, 1102750), (110, 651625), (125, 573430), (130, 551375), (143, 501250), (250, 286715), (275, 260650), (286, 250625), (325, 220550), (401, 178750), (550, 130325), (625, 114686), (650, 110275), (715, 100250), (802, 89375), (1250, 57343), (1375, 52130), (1430, 50125), (1625, 44110), (2005, 35750), (2750, 26065), (3250, 22055), (3575, 20050), (4010, 17875), (4411, 16250), (5213, 13750), (6875, 10426), (7150, 10025), (8125, 8822)]