271489660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 655361280

約数和(自身を除く): 383871620

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 239, 257, 260, 340, 442, 478, 514, 884, 956, 1028, 1105, 1195, 1285, 2210, 2390, 2570, 3107, 3341, 4063, 4369, 4420, 4780, 5140, 6214, 6682, 8126, 8738, 12428, 13364, 15535, 16252, 16705, 17476, 20315, 21845, 31070, 33410, 40630, 43690, 52819, 56797, 61423, 62140, 66820, 81260, 87380, 105638, 113594, 122846, 211276, 227188, 245692, 264095, 283985, 307115, 528190, 567970, 614230, 798499, 1044191, 1056380, 1135940, 1228460, 1596998, 2088382, 3193996, 3992495, 4176764, 5220955, 7984990, 10441910, 13574483, 15969980, 20883820, 27148966, 54297932, 67872415, 135744830, 271489660]

約数ペア:

[(1, 271489660), (2, 135744830), (4, 67872415), (5, 54297932), (10, 27148966), (13, 20883820), (17, 15969980), (20, 13574483), (26, 10441910), (34, 7984990), (52, 5220955), (65, 4176764), (68, 3992495), (85, 3193996), (130, 2088382), (170, 1596998), (221, 1228460), (239, 1135940), (257, 1056380), (260, 1044191), (340, 798499), (442, 614230), (478, 567970), (514, 528190), (884, 307115), (956, 283985), (1028, 264095), (1105, 245692), (1195, 227188), (1285, 211276), (2210, 122846), (2390, 113594), (2570, 105638), (3107, 87380), (3341, 81260), (4063, 66820), (4369, 62140), (4420, 61423), (4780, 56797), (5140, 52819), (6214, 43690), (6682, 40630), (8126, 33410), (8738, 31070), (12428, 21845), (13364, 20315), (15535, 17476), (16252, 16705)]