218865140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 528988320

約数和(自身を除く): 310123180

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 293, 338, 340, 442, 586, 676, 845, 884, 1105, 1172, 1465, 1690, 2197, 2210, 2873, 2930, 3380, 3809, 4394, 4420, 4981, 5746, 5860, 7618, 8788, 9962, 10985, 11492, 14365, 15236, 19045, 19924, 21970, 24905, 28730, 37349, 38090, 43940, 49517, 49810, 57460, 64753, 74698, 76180, 99034, 99620, 129506, 149396, 186745, 198068, 247585, 259012, 323765, 373490, 495170, 643721, 647530, 746980, 841789, 990340, 1287442, 1295060, 1683578, 2574884, 3218605, 3367156, 4208945, 6437210, 8417890, 10943257, 12874420, 16835780, 21886514, 43773028, 54716285, 109432570, 218865140]

約数ペア:

[(1, 218865140), (2, 109432570), (4, 54716285), (5, 43773028), (10, 21886514), (13, 16835780), (17, 12874420), (20, 10943257), (26, 8417890), (34, 6437210), (52, 4208945), (65, 3367156), (68, 3218605), (85, 2574884), (130, 1683578), (169, 1295060), (170, 1287442), (221, 990340), (260, 841789), (293, 746980), (338, 647530), (340, 643721), (442, 495170), (586, 373490), (676, 323765), (845, 259012), (884, 247585), (1105, 198068), (1172, 186745), (1465, 149396), (1690, 129506), (2197, 99620), (2210, 99034), (2873, 76180), (2930, 74698), (3380, 64753), (3809, 57460), (4394, 49810), (4420, 49517), (4981, 43940), (5746, 38090), (5860, 37349), (7618, 28730), (8788, 24905), (9962, 21970), (10985, 19924), (11492, 19045), (14365, 15236)]