405801392

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{2371}}^1$

素因数の和:2961

約数の個数: 40

約数和(自身を含む): 829440960

約数和(自身を除く): 423639568

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 563, 1126, 2252, 2371, 4504, 4742, 9008, 9484, 10697, 18968, 21394, 37936, 42788, 45049, 85576, 90098, 171152, 180196, 360392, 720784, 1334873, 2669746, 5339492, 10678984, 21357968, 25362587, 50725174, 101450348, 202900696, 405801392]

約数ペア:

[(1, 405801392), (2, 202900696), (4, 101450348), (8, 50725174), (16, 25362587), (19, 21357968), (38, 10678984), (76, 5339492), (152, 2669746), (304, 1334873), (563, 720784), (1126, 360392), (2252, 180196), (2371, 171152), (4504, 90098), (4742, 85576), (9008, 45049), (9484, 42788), (10697, 37936), (18968, 21394)]