890274420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9679}}^1$

素因数の和:9774

約数の個数: 144

約数和(自身を含む): 3128885760

約数和(自身を除く): 2238611340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 876, 1022, 1095, 1260, 1314, 1460, 1533, 2044, 2190, 2555, 2628, 3066, 3285, 4380, 4599, 5110, 6132, 6570, 7665, 9198, 9679, 10220, 13140, 15330, 18396, 19358, 22995, 29037, 30660, 38716, 45990, 48395, 58074, 67753, 87111, 91980, 96790, 116148, 135506, 145185, 174222, 193580, 203259, 271012, 290370, 338765, 348444, 406518, 435555, 580740, 609777, 677530, 706567, 813036, 871110, 1016295, 1219554, 1355060, 1413134, 1742220, 2032590, 2119701, 2439108, 2826268, 3048885, 3532835, 4065180, 4239402, 4945969, 6097770, 6359103, 7065670, 8478804, 9891938, 10598505, 12195540, 12718206, 14131340, 14837907, 19783876, 21197010, 24729845, 25436412, 29675814, 31795515, 42394020, 44513721, 49459690, 59351628, 63591030, 74189535, 89027442, 98919380, 127182060, 148379070, 178054884, 222568605, 296758140, 445137210, 890274420]

約数ペア:

[(1, 890274420), (2, 445137210), (3, 296758140), (4, 222568605), (5, 178054884), (6, 148379070), (7, 127182060), (9, 98919380), (10, 89027442), (12, 74189535), (14, 63591030), (15, 59351628), (18, 49459690), (20, 44513721), (21, 42394020), (28, 31795515), (30, 29675814), (35, 25436412), (36, 24729845), (42, 21197010), (45, 19783876), (60, 14837907), (63, 14131340), (70, 12718206), (73, 12195540), (84, 10598505), (90, 9891938), (105, 8478804), (126, 7065670), (140, 6359103), (146, 6097770), (180, 4945969), (210, 4239402), (219, 4065180), (252, 3532835), (292, 3048885), (315, 2826268), (365, 2439108), (420, 2119701), (438, 2032590), (511, 1742220), (630, 1413134), (657, 1355060), (730, 1219554), (876, 1016295), (1022, 871110), (1095, 813036), (1260, 706567), (1314, 677530), (1460, 609777), (1533, 580740), (2044, 435555), (2190, 406518), (2555, 348444), (2628, 338765), (3066, 290370), (3285, 271012), (4380, 203259), (4599, 193580), (5110, 174222), (6132, 145185), (6570, 135506), (7665, 116148), (9198, 96790), (9679, 91980), (10220, 87111), (13140, 67753), (15330, 58074), (18396, 48395), (19358, 45990), (22995, 38716), (29037, 30660)]