887508440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1553}}^1$

素因数の和:1741

約数の個数: 128

約数和(自身を含む): 2474962560

約数和(自身を除く): 1587454120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 157, 182, 260, 280, 314, 364, 455, 520, 628, 728, 785, 910, 1099, 1256, 1553, 1570, 1820, 2041, 2198, 3106, 3140, 3640, 4082, 4396, 5495, 6212, 6280, 7765, 8164, 8792, 10205, 10871, 10990, 12424, 14287, 15530, 16328, 20189, 20410, 21742, 21980, 28574, 31060, 40378, 40820, 43484, 43960, 54355, 57148, 62120, 71435, 80756, 81640, 86968, 100945, 108710, 114296, 141323, 142870, 161512, 201890, 217420, 243821, 282646, 285740, 403780, 434840, 487642, 565292, 571480, 706615, 807560, 975284, 1130584, 1219105, 1413230, 1706747, 1950568, 2438210, 2826460, 3169673, 3413494, 4876420, 5652920, 6339346, 6826988, 8533735, 9752840, 12678692, 13653976, 15848365, 17067470, 22187711, 25357384, 31696730, 34134940, 44375422, 63393460, 68269880, 88750844, 110938555, 126786920, 177501688, 221877110, 443754220, 887508440]

約数ペア:

[(1, 887508440), (2, 443754220), (4, 221877110), (5, 177501688), (7, 126786920), (8, 110938555), (10, 88750844), (13, 68269880), (14, 63393460), (20, 44375422), (26, 34134940), (28, 31696730), (35, 25357384), (40, 22187711), (52, 17067470), (56, 15848365), (65, 13653976), (70, 12678692), (91, 9752840), (104, 8533735), (130, 6826988), (140, 6339346), (157, 5652920), (182, 4876420), (260, 3413494), (280, 3169673), (314, 2826460), (364, 2438210), (455, 1950568), (520, 1706747), (628, 1413230), (728, 1219105), (785, 1130584), (910, 975284), (1099, 807560), (1256, 706615), (1553, 571480), (1570, 565292), (1820, 487642), (2041, 434840), (2198, 403780), (3106, 285740), (3140, 282646), (3640, 243821), (4082, 217420), (4396, 201890), (5495, 161512), (6212, 142870), (6280, 141323), (7765, 114296), (8164, 108710), (8792, 100945), (10205, 86968), (10871, 81640), (10990, 80756), (12424, 71435), (14287, 62120), (15530, 57148), (16328, 54355), (20189, 43960), (20410, 43484), (21742, 40820), (21980, 40378), (28574, 31060)]