247831290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{393383}}^1$

素因数の和:393403

約数の個数: 48

約数和(自身を含む): 736414848

約数和(自身を除く): 488583558

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 393383, 786766, 1180149, 1966915, 2360298, 2753681, 3540447, 3933830, 5507362, 5900745, 7080894, 8261043, 11801490, 13768405, 16522086, 17702235, 24783129, 27536810, 35404470, 41305215, 49566258, 82610430, 123915645, 247831290]

約数ペア:

[(1, 247831290), (2, 123915645), (3, 82610430), (5, 49566258), (6, 41305215), (7, 35404470), (9, 27536810), (10, 24783129), (14, 17702235), (15, 16522086), (18, 13768405), (21, 11801490), (30, 8261043), (35, 7080894), (42, 5900745), (45, 5507362), (63, 3933830), (70, 3540447), (90, 2753681), (105, 2360298), (126, 1966915), (210, 1180149), (315, 786766), (630, 393383)]