20571871250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:718

約数の個数: 160

約数和(自身を含む): 45885312000

約数和(自身を除く): 25313440750

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 125, 149, 155, 175, 217, 250, 298, 310, 350, 434, 509, 625, 745, 775, 875, 1018, 1043, 1085, 1250, 1490, 1550, 1750, 2086, 2170, 2545, 3563, 3725, 3875, 4375, 4619, 5090, 5215, 5425, 7126, 7450, 7750, 8750, 9238, 10430, 10850, 12725, 15779, 17815, 18625, 19375, 23095, 25450, 26075, 27125, 31558, 32333, 35630, 37250, 38750, 46190, 52150, 54250, 63625, 64666, 75841, 78895, 89075, 93125, 110453, 115475, 127250, 130375, 135625, 151682, 157790, 161665, 178150, 186250, 220906, 230950, 260750, 271250, 318125, 323330, 379205, 394475, 445375, 530887, 552265, 577375, 636250, 651875, 758410, 788950, 808325, 890750, 1061774, 1104530, 1154750, 1303750, 1616650, 1896025, 1972375, 2226875, 2351071, 2654435, 2761325, 2886875, 3792050, 3944750, 4041625, 4453750, 4702142, 5308870, 5522650, 5773750, 8083250, 9480125, 9861875, 11755355, 13272175, 13806625, 16457497, 18960250, 19723750, 20208125, 23510710, 26544350, 27613250, 32914994, 40416250, 47400625, 58776775, 66360875, 69033125, 82287485, 94801250, 117553550, 132721750, 138066250, 164574970, 293883875, 331804375, 411437425, 587767750, 663608750, 822874850, 1469419375, 2057187125, 2938838750, 4114374250, 10285935625, 20571871250]

約数ペア:

[(1, 20571871250), (2, 10285935625), (5, 4114374250), (7, 2938838750), (10, 2057187125), (14, 1469419375), (25, 822874850), (31, 663608750), (35, 587767750), (50, 411437425), (62, 331804375), (70, 293883875), (125, 164574970), (149, 138066250), (155, 132721750), (175, 117553550), (217, 94801250), (250, 82287485), (298, 69033125), (310, 66360875), (350, 58776775), (434, 47400625), (509, 40416250), (625, 32914994), (745, 27613250), (775, 26544350), (875, 23510710), (1018, 20208125), (1043, 19723750), (1085, 18960250), (1250, 16457497), (1490, 13806625), (1550, 13272175), (1750, 11755355), (2086, 9861875), (2170, 9480125), (2545, 8083250), (3563, 5773750), (3725, 5522650), (3875, 5308870), (4375, 4702142), (4619, 4453750), (5090, 4041625), (5215, 3944750), (5425, 3792050), (7126, 2886875), (7450, 2761325), (7750, 2654435), (8750, 2351071), (9238, 2226875), (10430, 1972375), (10850, 1896025), (12725, 1616650), (15779, 1303750), (17815, 1154750), (18625, 1104530), (19375, 1061774), (23095, 890750), (25450, 808325), (26075, 788950), (27125, 758410), (31558, 651875), (32333, 636250), (35630, 577375), (37250, 552265), (38750, 530887), (46190, 445375), (52150, 394475), (54250, 379205), (63625, 323330), (64666, 318125), (75841, 271250), (78895, 260750), (89075, 230950), (93125, 220906), (110453, 186250), (115475, 178150), (127250, 161665), (130375, 157790), (135625, 151682)]