388194920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3221}}^1$

素因数の和:3386

約数の個数: 64

約数和(自身を含む): 918656640

約数和(自身を除く): 530461720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 524, 655, 920, 1048, 1310, 2620, 3013, 3221, 5240, 6026, 6442, 12052, 12884, 15065, 16105, 24104, 25768, 30130, 32210, 60260, 64420, 74083, 120520, 128840, 148166, 296332, 370415, 421951, 592664, 740830, 843902, 1481660, 1687804, 2109755, 2963320, 3375608, 4219510, 8439020, 9704873, 16878040, 19409746, 38819492, 48524365, 77638984, 97048730, 194097460, 388194920]

約数ペア:

[(1, 388194920), (2, 194097460), (4, 97048730), (5, 77638984), (8, 48524365), (10, 38819492), (20, 19409746), (23, 16878040), (40, 9704873), (46, 8439020), (92, 4219510), (115, 3375608), (131, 2963320), (184, 2109755), (230, 1687804), (262, 1481660), (460, 843902), (524, 740830), (655, 592664), (920, 421951), (1048, 370415), (1310, 296332), (2620, 148166), (3013, 128840), (3221, 120520), (5240, 74083), (6026, 64420), (6442, 60260), (12052, 32210), (12884, 30130), (15065, 25768), (16105, 24104)]