156550420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 377975808

約数和(自身を除く): 221425388

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 47, 52, 65, 92, 94, 115, 130, 188, 230, 235, 260, 299, 460, 470, 557, 598, 611, 940, 1081, 1114, 1196, 1222, 1495, 2162, 2228, 2444, 2785, 2990, 3055, 4324, 5405, 5570, 5980, 6110, 7241, 10810, 11140, 12220, 12811, 14053, 14482, 21620, 25622, 26179, 28106, 28964, 36205, 51244, 52358, 56212, 64055, 70265, 72410, 104716, 128110, 130895, 140530, 144820, 166543, 256220, 261790, 281060, 333086, 340327, 523580, 602117, 666172, 680654, 832715, 1204234, 1361308, 1665430, 1701635, 2408468, 3010585, 3330860, 3403270, 6021170, 6806540, 7827521, 12042340, 15655042, 31310084, 39137605, 78275210, 156550420]

約数ペア:

[(1, 156550420), (2, 78275210), (4, 39137605), (5, 31310084), (10, 15655042), (13, 12042340), (20, 7827521), (23, 6806540), (26, 6021170), (46, 3403270), (47, 3330860), (52, 3010585), (65, 2408468), (92, 1701635), (94, 1665430), (115, 1361308), (130, 1204234), (188, 832715), (230, 680654), (235, 666172), (260, 602117), (299, 523580), (460, 340327), (470, 333086), (557, 281060), (598, 261790), (611, 256220), (940, 166543), (1081, 144820), (1114, 140530), (1196, 130895), (1222, 128110), (1495, 104716), (2162, 72410), (2228, 70265), (2444, 64055), (2785, 56212), (2990, 52358), (3055, 51244), (4324, 36205), (5405, 28964), (5570, 28106), (5980, 26179), (6110, 25622), (7241, 21620), (10810, 14482), (11140, 14053), (12220, 12811)]