215051240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2767}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 508204800

約数和(自身を除く): 293153560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1160, 1340, 1943, 2680, 2767, 3886, 5534, 7772, 9715, 11068, 13835, 15544, 19430, 22136, 27670, 38860, 55340, 77720, 80243, 110680, 160486, 185389, 320972, 370778, 401215, 641944, 741556, 802430, 926945, 1483112, 1604860, 1853890, 3209720, 3707780, 5376281, 7415560, 10752562, 21505124, 26881405, 43010248, 53762810, 107525620, 215051240]

約数ペア:

[(1, 215051240), (2, 107525620), (4, 53762810), (5, 43010248), (8, 26881405), (10, 21505124), (20, 10752562), (29, 7415560), (40, 5376281), (58, 3707780), (67, 3209720), (116, 1853890), (134, 1604860), (145, 1483112), (232, 926945), (268, 802430), (290, 741556), (335, 641944), (536, 401215), (580, 370778), (670, 320972), (1160, 185389), (1340, 160486), (1943, 110680), (2680, 80243), (2767, 77720), (3886, 55340), (5534, 38860), (7772, 27670), (9715, 22136), (11068, 19430), (13835, 15544)]