148889840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 383118336

約数和(自身を除く): 234228496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2383, 2840, 3124, 3905, 4766, 5680, 6248, 7810, 9532, 11915, 12496, 15620, 19064, 23830, 26213, 31240, 38128, 47660, 52426, 62480, 95320, 104852, 131065, 169193, 190640, 209704, 262130, 338386, 419408, 524260, 676772, 845965, 1048520, 1353544, 1691930, 1861123, 2097040, 2707088, 3383860, 3722246, 6767720, 7444492, 9305615, 13535440, 14888984, 18611230, 29777968, 37222460, 74444920, 148889840]

約数ペア:

[(1, 148889840), (2, 74444920), (4, 37222460), (5, 29777968), (8, 18611230), (10, 14888984), (11, 13535440), (16, 9305615), (20, 7444492), (22, 6767720), (40, 3722246), (44, 3383860), (55, 2707088), (71, 2097040), (80, 1861123), (88, 1691930), (110, 1353544), (142, 1048520), (176, 845965), (220, 676772), (284, 524260), (355, 419408), (440, 338386), (568, 262130), (710, 209704), (781, 190640), (880, 169193), (1136, 131065), (1420, 104852), (1562, 95320), (2383, 62480), (2840, 52426), (3124, 47660), (3905, 38128), (4766, 31240), (5680, 26213), (6248, 23830), (7810, 19064), (9532, 15620), (11915, 12496)]