989773020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{203657}}^1$

素因数の和:203681

約数の個数: 72

約数和(自身を含む): 3113523504

約数和(自身を除く): 2123750484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 203657, 407314, 610971, 814628, 1018285, 1221942, 1832913, 2036570, 2443884, 3054855, 3665826, 4073140, 5498739, 6109710, 7331652, 9164565, 10997478, 12219420, 16496217, 18329130, 21994956, 27493695, 32992434, 36658260, 49488651, 54987390, 65984868, 82481085, 98977302, 109974780, 164962170, 197954604, 247443255, 329924340, 494886510, 989773020]

約数ペア:

[(1, 989773020), (2, 494886510), (3, 329924340), (4, 247443255), (5, 197954604), (6, 164962170), (9, 109974780), (10, 98977302), (12, 82481085), (15, 65984868), (18, 54987390), (20, 49488651), (27, 36658260), (30, 32992434), (36, 27493695), (45, 21994956), (54, 18329130), (60, 16496217), (81, 12219420), (90, 10997478), (108, 9164565), (135, 7331652), (162, 6109710), (180, 5498739), (243, 4073140), (270, 3665826), (324, 3054855), (405, 2443884), (486, 2036570), (540, 1832913), (810, 1221942), (972, 1018285), (1215, 814628), (1620, 610971), (2430, 407314), (4860, 203657)]