388410160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8243}}^1$

素因数の和:8306

約数の個数: 80

約数和(自身を含む): 981365760

約数和(自身を除く): 592955600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 8243, 9424, 11780, 16486, 23560, 32972, 41215, 47120, 65944, 82430, 131888, 156617, 164860, 255533, 313234, 329720, 511066, 626468, 659440, 783085, 1022132, 1252936, 1277665, 1566170, 2044264, 2505872, 2555330, 3132340, 4088528, 4855127, 5110660, 6264680, 9710254, 10221320, 12529360, 19420508, 20442640, 24275635, 38841016, 48551270, 77682032, 97102540, 194205080, 388410160]

約数ペア:

[(1, 388410160), (2, 194205080), (4, 97102540), (5, 77682032), (8, 48551270), (10, 38841016), (16, 24275635), (19, 20442640), (20, 19420508), (31, 12529360), (38, 10221320), (40, 9710254), (62, 6264680), (76, 5110660), (80, 4855127), (95, 4088528), (124, 3132340), (152, 2555330), (155, 2505872), (190, 2044264), (248, 1566170), (304, 1277665), (310, 1252936), (380, 1022132), (496, 783085), (589, 659440), (620, 626468), (760, 511066), (1178, 329720), (1240, 313234), (1520, 255533), (2356, 164860), (2480, 156617), (2945, 131888), (4712, 82430), (5890, 65944), (8243, 47120), (9424, 41215), (11780, 32972), (16486, 23560)]