388360520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9817}}^1$

素因数の和:9894

約数の個数: 64

約数和(自身を含む): 933102720

約数和(自身を除く): 544742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9817, 9890, 19634, 19780, 39268, 39560, 49085, 78536, 98170, 196340, 225791, 392680, 422131, 451582, 844262, 903164, 1128955, 1688524, 1806328, 2110655, 2257910, 3377048, 4221310, 4515820, 8442620, 9031640, 9709013, 16885240, 19418026, 38836052, 48545065, 77672104, 97090130, 194180260, 388360520]

約数ペア:

[(1, 388360520), (2, 194180260), (4, 97090130), (5, 77672104), (8, 48545065), (10, 38836052), (20, 19418026), (23, 16885240), (40, 9709013), (43, 9031640), (46, 8442620), (86, 4515820), (92, 4221310), (115, 3377048), (172, 2257910), (184, 2110655), (215, 1806328), (230, 1688524), (344, 1128955), (430, 903164), (460, 844262), (860, 451582), (920, 422131), (989, 392680), (1720, 225791), (1978, 196340), (3956, 98170), (4945, 78536), (7912, 49085), (9817, 39560), (9890, 39268), (19634, 19780)]