402903436

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 812474880

約数和(自身を除く): 409571444

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 169, 247, 254, 338, 361, 494, 508, 676, 722, 988, 1444, 1651, 2197, 2413, 3211, 3302, 4394, 4693, 4826, 6422, 6604, 8788, 9386, 9652, 12844, 18772, 21463, 31369, 41743, 42926, 45847, 61009, 62738, 83486, 85852, 91694, 122018, 125476, 166972, 183388, 244036, 279019, 407797, 558038, 596011, 793117, 815594, 1116076, 1192022, 1586234, 1631188, 2384044, 3172468, 5301361, 7748143, 10602722, 15496286, 21205444, 30992572, 100725859, 201451718, 402903436]

約数ペア:

[(1, 402903436), (2, 201451718), (4, 100725859), (13, 30992572), (19, 21205444), (26, 15496286), (38, 10602722), (52, 7748143), (76, 5301361), (127, 3172468), (169, 2384044), (247, 1631188), (254, 1586234), (338, 1192022), (361, 1116076), (494, 815594), (508, 793117), (676, 596011), (722, 558038), (988, 407797), (1444, 279019), (1651, 244036), (2197, 183388), (2413, 166972), (3211, 125476), (3302, 122018), (4394, 91694), (4693, 85852), (4826, 83486), (6422, 62738), (6604, 61009), (8788, 45847), (9386, 42926), (9652, 41743), (12844, 31369), (18772, 21463)]