890353750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:356

約数の個数: 160

約数和(自身を含む): 2083058208

約数和(自身を除く): 1192704458

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 25, 26, 34, 50, 55, 65, 85, 110, 125, 130, 143, 170, 187, 221, 250, 275, 286, 293, 325, 374, 425, 442, 550, 586, 625, 650, 715, 850, 935, 1105, 1250, 1375, 1430, 1465, 1625, 1870, 2125, 2210, 2431, 2750, 2930, 3223, 3250, 3575, 3809, 4250, 4675, 4862, 4981, 5525, 6446, 6875, 7150, 7325, 7618, 8125, 9350, 9962, 10625, 11050, 12155, 13750, 14650, 16115, 16250, 17875, 19045, 21250, 23375, 24310, 24905, 27625, 32230, 35750, 36625, 38090, 41899, 46750, 49810, 54791, 55250, 60775, 64753, 73250, 80575, 83798, 89375, 95225, 109582, 116875, 121550, 124525, 129506, 138125, 161150, 178750, 183125, 190450, 209495, 233750, 249050, 273955, 276250, 303875, 323765, 366250, 402875, 418990, 476125, 547910, 607750, 622625, 647530, 712283, 805750, 952250, 1047475, 1245250, 1369775, 1424566, 1519375, 1618825, 2014375, 2094950, 2380625, 2739550, 3038750, 3113125, 3237650, 3561415, 4028750, 4761250, 5237375, 6226250, 6848875, 7122830, 8094125, 10474750, 13697750, 16188250, 17807075, 26186875, 34244375, 35614150, 40470625, 52373750, 68488750, 80941250, 89035375, 178070750, 445176875, 890353750]

約数ペア:

[(1, 890353750), (2, 445176875), (5, 178070750), (10, 89035375), (11, 80941250), (13, 68488750), (17, 52373750), (22, 40470625), (25, 35614150), (26, 34244375), (34, 26186875), (50, 17807075), (55, 16188250), (65, 13697750), (85, 10474750), (110, 8094125), (125, 7122830), (130, 6848875), (143, 6226250), (170, 5237375), (187, 4761250), (221, 4028750), (250, 3561415), (275, 3237650), (286, 3113125), (293, 3038750), (325, 2739550), (374, 2380625), (425, 2094950), (442, 2014375), (550, 1618825), (586, 1519375), (625, 1424566), (650, 1369775), (715, 1245250), (850, 1047475), (935, 952250), (1105, 805750), (1250, 712283), (1375, 647530), (1430, 622625), (1465, 607750), (1625, 547910), (1870, 476125), (2125, 418990), (2210, 402875), (2431, 366250), (2750, 323765), (2930, 303875), (3223, 276250), (3250, 273955), (3575, 249050), (3809, 233750), (4250, 209495), (4675, 190450), (4862, 183125), (4981, 178750), (5525, 161150), (6446, 138125), (6875, 129506), (7150, 124525), (7325, 121550), (7618, 116875), (8125, 109582), (9350, 95225), (9962, 89375), (10625, 83798), (11050, 80575), (12155, 73250), (13750, 64753), (14650, 60775), (16115, 55250), (16250, 54791), (17875, 49810), (19045, 46750), (21250, 41899), (23375, 38090), (24310, 36625), (24905, 35750), (27625, 32230)]