551878180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 1437549120

約数和(自身を除く): 885670940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 107, 133, 140, 190, 196, 214, 245, 266, 277, 380, 428, 490, 532, 535, 554, 665, 749, 931, 980, 1070, 1108, 1330, 1385, 1498, 1862, 1939, 2033, 2140, 2660, 2770, 2996, 3724, 3745, 3878, 4066, 4655, 5243, 5263, 5540, 7490, 7756, 8132, 9310, 9695, 10165, 10486, 10526, 13573, 14231, 14980, 18620, 19390, 20330, 20972, 21052, 26215, 26315, 27146, 28462, 29639, 36841, 38780, 40660, 52430, 52630, 54292, 56924, 59278, 67865, 71155, 73682, 99617, 104860, 105260, 118556, 135730, 142310, 147364, 148195, 184205, 199234, 207473, 257887, 271460, 284620, 296390, 368410, 398468, 414946, 498085, 515774, 563141, 592780, 736820, 829892, 996170, 1031548, 1037365, 1126282, 1289435, 1452311, 1992340, 2074730, 2252564, 2578870, 2815705, 2904622, 3941987, 4149460, 5157740, 5631410, 5809244, 7261555, 7883974, 11262820, 14523110, 15767948, 19709935, 27593909, 29046220, 39419870, 55187818, 78839740, 110375636, 137969545, 275939090, 551878180]

約数ペア:

[(1, 551878180), (2, 275939090), (4, 137969545), (5, 110375636), (7, 78839740), (10, 55187818), (14, 39419870), (19, 29046220), (20, 27593909), (28, 19709935), (35, 15767948), (38, 14523110), (49, 11262820), (70, 7883974), (76, 7261555), (95, 5809244), (98, 5631410), (107, 5157740), (133, 4149460), (140, 3941987), (190, 2904622), (196, 2815705), (214, 2578870), (245, 2252564), (266, 2074730), (277, 1992340), (380, 1452311), (428, 1289435), (490, 1126282), (532, 1037365), (535, 1031548), (554, 996170), (665, 829892), (749, 736820), (931, 592780), (980, 563141), (1070, 515774), (1108, 498085), (1330, 414946), (1385, 398468), (1498, 368410), (1862, 296390), (1939, 284620), (2033, 271460), (2140, 257887), (2660, 207473), (2770, 199234), (2996, 184205), (3724, 148195), (3745, 147364), (3878, 142310), (4066, 135730), (4655, 118556), (5243, 105260), (5263, 104860), (5540, 99617), (7490, 73682), (7756, 71155), (8132, 67865), (9310, 59278), (9695, 56924), (10165, 54292), (10486, 52630), (10526, 52430), (13573, 40660), (14231, 38780), (14980, 36841), (18620, 29639), (19390, 28462), (20330, 27146), (20972, 26315), (21052, 26215)]