178831250

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 377975808

約数和(自身を除く): 199144558

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 71, 125, 130, 142, 155, 250, 310, 325, 355, 403, 625, 650, 710, 775, 806, 923, 1250, 1550, 1625, 1775, 1846, 2015, 2201, 3125, 3250, 3550, 3875, 4030, 4402, 4615, 6250, 7750, 8125, 8875, 9230, 10075, 11005, 16250, 17750, 19375, 20150, 22010, 23075, 28613, 38750, 40625, 44375, 46150, 50375, 55025, 57226, 81250, 88750, 96875, 100750, 110050, 115375, 143065, 193750, 221875, 230750, 251875, 275125, 286130, 443750, 503750, 550250, 576875, 715325, 1153750, 1259375, 1375625, 1430650, 2518750, 2751250, 2884375, 3576625, 5768750, 6878125, 7153250, 13756250, 17883125, 35766250, 89415625, 178831250]

約数ペア:

[(1, 178831250), (2, 89415625), (5, 35766250), (10, 17883125), (13, 13756250), (25, 7153250), (26, 6878125), (31, 5768750), (50, 3576625), (62, 2884375), (65, 2751250), (71, 2518750), (125, 1430650), (130, 1375625), (142, 1259375), (155, 1153750), (250, 715325), (310, 576875), (325, 550250), (355, 503750), (403, 443750), (625, 286130), (650, 275125), (710, 251875), (775, 230750), (806, 221875), (923, 193750), (1250, 143065), (1550, 115375), (1625, 110050), (1775, 100750), (1846, 96875), (2015, 88750), (2201, 81250), (3125, 57226), (3250, 55025), (3550, 50375), (3875, 46150), (4030, 44375), (4402, 40625), (4615, 38750), (6250, 28613), (7750, 23075), (8125, 22010), (8875, 20150), (9230, 19375), (10075, 17750), (11005, 16250)]