247278320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{99709}}^1$

素因数の和:99753

約数の個数: 40

約数和(自身を含む): 593473920

約数和(自身を除く): 346195600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 99709, 199418, 398836, 498545, 797672, 997090, 1595344, 1994180, 3090979, 3988360, 6181958, 7976720, 12363916, 15454895, 24727832, 30909790, 49455664, 61819580, 123639160, 247278320]

約数ペア:

[(1, 247278320), (2, 123639160), (4, 61819580), (5, 49455664), (8, 30909790), (10, 24727832), (16, 15454895), (20, 12363916), (31, 7976720), (40, 6181958), (62, 3988360), (80, 3090979), (124, 1994180), (155, 1595344), (248, 997090), (310, 797672), (496, 498545), (620, 398836), (1240, 199418), (2480, 99709)]