291450250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 701955072

約数和(自身を除く): 410504822

約数列:

[1, 2, 5, 7, 10, 13, 14, 23, 25, 26, 35, 46, 50, 65, 70, 91, 115, 125, 130, 161, 175, 182, 230, 250, 299, 322, 325, 350, 455, 557, 575, 598, 650, 805, 875, 910, 1114, 1150, 1495, 1610, 1625, 1750, 2093, 2275, 2785, 2875, 2990, 3250, 3899, 4025, 4186, 4550, 5570, 5750, 7241, 7475, 7798, 8050, 10465, 11375, 12811, 13925, 14482, 14950, 19495, 20125, 20930, 22750, 25622, 27850, 36205, 37375, 38990, 40250, 50687, 52325, 64055, 69625, 72410, 74750, 89677, 97475, 101374, 104650, 128110, 139250, 166543, 179354, 181025, 194950, 253435, 261625, 320275, 333086, 362050, 448385, 487375, 506870, 523250, 640550, 832715, 896770, 905125, 974750, 1165801, 1267175, 1601375, 1665430, 1810250, 2241925, 2331602, 2534350, 3202750, 4163575, 4483850, 5829005, 6335875, 8327150, 11209625, 11658010, 12671750, 20817875, 22419250, 29145025, 41635750, 58290050, 145725125, 291450250]

約数ペア:

[(1, 291450250), (2, 145725125), (5, 58290050), (7, 41635750), (10, 29145025), (13, 22419250), (14, 20817875), (23, 12671750), (25, 11658010), (26, 11209625), (35, 8327150), (46, 6335875), (50, 5829005), (65, 4483850), (70, 4163575), (91, 3202750), (115, 2534350), (125, 2331602), (130, 2241925), (161, 1810250), (175, 1665430), (182, 1601375), (230, 1267175), (250, 1165801), (299, 974750), (322, 905125), (325, 896770), (350, 832715), (455, 640550), (557, 523250), (575, 506870), (598, 487375), (650, 448385), (805, 362050), (875, 333086), (910, 320275), (1114, 261625), (1150, 253435), (1495, 194950), (1610, 181025), (1625, 179354), (1750, 166543), (2093, 139250), (2275, 128110), (2785, 104650), (2875, 101374), (2990, 97475), (3250, 89677), (3899, 74750), (4025, 72410), (4186, 69625), (4550, 64055), (5570, 52325), (5750, 50687), (7241, 40250), (7475, 38990), (7798, 37375), (8050, 36205), (10465, 27850), (11375, 25622), (12811, 22750), (13925, 20930), (14482, 20125), (14950, 19495)]