2157112370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{463}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 4874895360

約数和(自身を除く): 2717782990

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 62, 70, 95, 113, 133, 155, 190, 217, 226, 266, 310, 434, 463, 565, 589, 665, 791, 926, 1085, 1130, 1178, 1330, 1582, 2147, 2170, 2315, 2945, 3241, 3503, 3955, 4123, 4294, 4630, 5890, 6482, 7006, 7910, 8246, 8797, 10735, 14353, 15029, 16205, 17515, 17594, 20615, 21470, 24521, 28706, 30058, 32410, 35030, 41230, 43985, 49042, 52319, 61579, 66557, 71765, 75145, 87970, 100471, 104638, 122605, 123158, 133114, 143530, 150290, 200942, 245210, 261595, 272707, 307895, 332785, 366233, 465899, 502355, 523190, 545414, 615790, 665570, 732466, 931798, 994061, 1004710, 1363535, 1621889, 1831165, 1908949, 1988122, 2329495, 2727070, 3243778, 3662330, 3817898, 4658990, 4970305, 6958427, 8109445, 9544745, 9940610, 11353223, 13916854, 16218890, 19089490, 22706446, 30815891, 34792135, 56766115, 61631782, 69584270, 113532230, 154079455, 215711237, 308158910, 431422474, 1078556185, 2157112370]

約数ペア:

[(1, 2157112370), (2, 1078556185), (5, 431422474), (7, 308158910), (10, 215711237), (14, 154079455), (19, 113532230), (31, 69584270), (35, 61631782), (38, 56766115), (62, 34792135), (70, 30815891), (95, 22706446), (113, 19089490), (133, 16218890), (155, 13916854), (190, 11353223), (217, 9940610), (226, 9544745), (266, 8109445), (310, 6958427), (434, 4970305), (463, 4658990), (565, 3817898), (589, 3662330), (665, 3243778), (791, 2727070), (926, 2329495), (1085, 1988122), (1130, 1908949), (1178, 1831165), (1330, 1621889), (1582, 1363535), (2147, 1004710), (2170, 994061), (2315, 931798), (2945, 732466), (3241, 665570), (3503, 615790), (3955, 545414), (4123, 523190), (4294, 502355), (4630, 465899), (5890, 366233), (6482, 332785), (7006, 307895), (7910, 272707), (8246, 261595), (8797, 245210), (10735, 200942), (14353, 150290), (15029, 143530), (16205, 133114), (17515, 123158), (17594, 122605), (20615, 104638), (21470, 100471), (24521, 87970), (28706, 75145), (30058, 71765), (32410, 66557), (35030, 61579), (41230, 52319), (43985, 49042)]