406944520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{701}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 958314240

約数和(自身を除く): 551369720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 631, 701, 920, 1262, 1402, 2524, 2804, 3155, 3505, 5048, 5608, 6310, 7010, 12620, 14020, 14513, 16123, 25240, 28040, 29026, 32246, 58052, 64492, 72565, 80615, 116104, 128984, 145130, 161230, 290260, 322460, 442331, 580520, 644920, 884662, 1769324, 2211655, 3538648, 4423310, 8846620, 10173613, 17693240, 20347226, 40694452, 50868065, 81388904, 101736130, 203472260, 406944520]

約数ペア:

[(1, 406944520), (2, 203472260), (4, 101736130), (5, 81388904), (8, 50868065), (10, 40694452), (20, 20347226), (23, 17693240), (40, 10173613), (46, 8846620), (92, 4423310), (115, 3538648), (184, 2211655), (230, 1769324), (460, 884662), (631, 644920), (701, 580520), (920, 442331), (1262, 322460), (1402, 290260), (2524, 161230), (2804, 145130), (3155, 128984), (3505, 116104), (5048, 80615), (5608, 72565), (6310, 64492), (7010, 58052), (12620, 32246), (14020, 29026), (14513, 28040), (16123, 25240)]