20121097850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{757}}^1$

素因数の和:1373

約数の個数: 144

約数和(自身を含む): 45967727520

約数和(自身を除く): 25846629670

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 133, 175, 190, 245, 266, 350, 475, 490, 571, 665, 757, 931, 950, 1142, 1225, 1330, 1514, 1862, 2450, 2855, 3325, 3785, 3997, 4655, 5299, 5710, 6650, 7570, 7994, 9310, 10598, 10849, 14275, 14383, 18925, 19985, 21698, 23275, 26495, 27979, 28550, 28766, 37093, 37850, 39970, 46550, 52990, 54245, 55958, 71915, 74186, 75943, 99925, 100681, 108490, 132475, 139895, 143830, 151886, 185465, 199850, 201362, 264950, 271225, 279790, 359575, 370930, 379715, 432247, 503405, 531601, 542450, 699475, 704767, 719150, 759430, 864494, 927325, 1006810, 1063202, 1398950, 1409534, 1854650, 1898575, 2161235, 2517025, 2658005, 3025729, 3523835, 3797150, 4322470, 5034050, 5316010, 6051458, 7047670, 8212693, 10806175, 13290025, 15128645, 16425386, 17619175, 21180103, 21612350, 26580050, 30257290, 35238350, 41063465, 42360206, 57488851, 75643225, 82126930, 105900515, 114977702, 151286450, 205317325, 211801030, 287444255, 402421957, 410634650, 529502575, 574888510, 804843914, 1059005150, 1437221275, 2012109785, 2874442550, 4024219570, 10060548925, 20121097850]

約数ペア:

[(1, 20121097850), (2, 10060548925), (5, 4024219570), (7, 2874442550), (10, 2012109785), (14, 1437221275), (19, 1059005150), (25, 804843914), (35, 574888510), (38, 529502575), (49, 410634650), (50, 402421957), (70, 287444255), (95, 211801030), (98, 205317325), (133, 151286450), (175, 114977702), (190, 105900515), (245, 82126930), (266, 75643225), (350, 57488851), (475, 42360206), (490, 41063465), (571, 35238350), (665, 30257290), (757, 26580050), (931, 21612350), (950, 21180103), (1142, 17619175), (1225, 16425386), (1330, 15128645), (1514, 13290025), (1862, 10806175), (2450, 8212693), (2855, 7047670), (3325, 6051458), (3785, 5316010), (3997, 5034050), (4655, 4322470), (5299, 3797150), (5710, 3523835), (6650, 3025729), (7570, 2658005), (7994, 2517025), (9310, 2161235), (10598, 1898575), (10849, 1854650), (14275, 1409534), (14383, 1398950), (18925, 1063202), (19985, 1006810), (21698, 927325), (23275, 864494), (26495, 759430), (27979, 719150), (28550, 704767), (28766, 699475), (37093, 542450), (37850, 531601), (39970, 503405), (46550, 432247), (52990, 379715), (54245, 370930), (55958, 359575), (71915, 279790), (74186, 271225), (75943, 264950), (99925, 201362), (100681, 199850), (108490, 185465), (132475, 151886), (139895, 143830)]