408983620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38803}}^1$

素因数の和:38860

約数の個数: 48

約数和(自身を含む): 938746368

約数和(自身を除く): 529762748

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 38803, 77606, 155212, 194015, 388030, 659651, 776060, 1202893, 1319302, 2405786, 2638604, 3298255, 4811572, 6014465, 6596510, 12028930, 13193020, 20449181, 24057860, 40898362, 81796724, 102245905, 204491810, 408983620]

約数ペア:

[(1, 408983620), (2, 204491810), (4, 102245905), (5, 81796724), (10, 40898362), (17, 24057860), (20, 20449181), (31, 13193020), (34, 12028930), (62, 6596510), (68, 6014465), (85, 4811572), (124, 3298255), (155, 2638604), (170, 2405786), (310, 1319302), (340, 1202893), (527, 776060), (620, 659651), (1054, 388030), (2108, 194015), (2635, 155212), (5270, 77606), (10540, 38803)]