20077750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 48016800

約数和(自身を除く): 27939050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 49, 50, 55, 70, 77, 98, 110, 125, 149, 154, 175, 245, 250, 275, 298, 350, 385, 490, 539, 550, 745, 770, 875, 1043, 1078, 1225, 1375, 1490, 1639, 1750, 1925, 2086, 2450, 2695, 2750, 3278, 3725, 3850, 5215, 5390, 6125, 7301, 7450, 8195, 9625, 10430, 11473, 12250, 13475, 14602, 16390, 18625, 19250, 22946, 26075, 26950, 36505, 37250, 40975, 52150, 57365, 67375, 73010, 80311, 81950, 114730, 130375, 134750, 160622, 182525, 204875, 260750, 286825, 365050, 401555, 409750, 573650, 803110, 912625, 1434125, 1825250, 2007775, 2868250, 4015550, 10038875, 20077750]

約数ペア:

[(1, 20077750), (2, 10038875), (5, 4015550), (7, 2868250), (10, 2007775), (11, 1825250), (14, 1434125), (22, 912625), (25, 803110), (35, 573650), (49, 409750), (50, 401555), (55, 365050), (70, 286825), (77, 260750), (98, 204875), (110, 182525), (125, 160622), (149, 134750), (154, 130375), (175, 114730), (245, 81950), (250, 80311), (275, 73010), (298, 67375), (350, 57365), (385, 52150), (490, 40975), (539, 37250), (550, 36505), (745, 26950), (770, 26075), (875, 22946), (1043, 19250), (1078, 18625), (1225, 16390), (1375, 14602), (1490, 13475), (1639, 12250), (1750, 11473), (1925, 10430), (2086, 9625), (2450, 8195), (2695, 7450), (2750, 7301), (3278, 6125), (3725, 5390), (3850, 5215)]