290435030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 562249728

約数和(自身を除く): 271814698

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 127, 163, 230, 254, 305, 326, 610, 635, 815, 1270, 1403, 1630, 2806, 2921, 3749, 5842, 7015, 7498, 7747, 9943, 14030, 14605, 15494, 18745, 19886, 20701, 29210, 37490, 38735, 41402, 49715, 77470, 99430, 103505, 178181, 207010, 228689, 356362, 457378, 476123, 890905, 952246, 1143445, 1262761, 1781810, 2286890, 2380615, 2525522, 4761230, 6313805, 12627610, 29043503, 58087006, 145217515, 290435030]

約数ペア:

[(1, 290435030), (2, 145217515), (5, 58087006), (10, 29043503), (23, 12627610), (46, 6313805), (61, 4761230), (115, 2525522), (122, 2380615), (127, 2286890), (163, 1781810), (230, 1262761), (254, 1143445), (305, 952246), (326, 890905), (610, 476123), (635, 457378), (815, 356362), (1270, 228689), (1403, 207010), (1630, 178181), (2806, 103505), (2921, 99430), (3749, 77470), (5842, 49715), (7015, 41402), (7498, 38735), (7747, 37490), (9943, 29210), (14030, 20701), (14605, 19886), (15494, 18745)]