388374820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{32969}}^1$

素因数の和:33028

約数の個数: 48

約数和(自身を含む): 886233600

約数和(自身を除く): 497858780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 32969, 65938, 131876, 164845, 329690, 626411, 659380, 1022039, 1252822, 2044078, 2505644, 3132055, 4088156, 5110195, 6264110, 10220390, 12528220, 19418741, 20440780, 38837482, 77674964, 97093705, 194187410, 388374820]

約数ペア:

[(1, 388374820), (2, 194187410), (4, 97093705), (5, 77674964), (10, 38837482), (19, 20440780), (20, 19418741), (31, 12528220), (38, 10220390), (62, 6264110), (76, 5110195), (95, 4088156), (124, 3132055), (155, 2505644), (190, 2044078), (310, 1252822), (380, 1022039), (589, 659380), (620, 626411), (1178, 329690), (2356, 164845), (2945, 131876), (5890, 65938), (11780, 32969)]