389625707510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{230743}}^1$

素因数の和:231213

約数の個数: 64

約数和(自身を含む): 781502238720

約数和(自身を除く): 391876531210

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 419, 806, 838, 2015, 2095, 4030, 4190, 5447, 10894, 12989, 25978, 27235, 54470, 64945, 129890, 168857, 230743, 337714, 461486, 844285, 1153715, 1688570, 2307430, 2999659, 5999318, 7153033, 14306066, 14998295, 29996590, 35765165, 71530330, 92989429, 96681317, 185978858, 193362634, 464947145, 483406585, 929894290, 966813170, 1256857121, 2513714242, 2997120827, 5994241654, 6284285605, 12568571210, 14985604135, 29971208270, 38962570751, 77925141502, 194812853755, 389625707510]

約数ペア:

[(1, 389625707510), (2, 194812853755), (5, 77925141502), (10, 38962570751), (13, 29971208270), (26, 14985604135), (31, 12568571210), (62, 6284285605), (65, 5994241654), (130, 2997120827), (155, 2513714242), (310, 1256857121), (403, 966813170), (419, 929894290), (806, 483406585), (838, 464947145), (2015, 193362634), (2095, 185978858), (4030, 96681317), (4190, 92989429), (5447, 71530330), (10894, 35765165), (12989, 29996590), (25978, 14998295), (27235, 14306066), (54470, 7153033), (64945, 5999318), (129890, 2999659), (168857, 2307430), (230743, 1688570), (337714, 1153715), (461486, 844285)]