720906228

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{408677}}^1$

素因数の和:408701

約数の個数: 54

約数和(自身を含む): 2119812786

約数和(自身を除く): 1398906558

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 408677, 817354, 1226031, 1634708, 2452062, 2860739, 3678093, 4904124, 5721478, 7356186, 8582217, 11442956, 14712372, 17164434, 20025173, 25746651, 34328868, 40050346, 51493302, 60075519, 80100692, 102986604, 120151038, 180226557, 240302076, 360453114, 720906228]

約数ペア:

[(1, 720906228), (2, 360453114), (3, 240302076), (4, 180226557), (6, 120151038), (7, 102986604), (9, 80100692), (12, 60075519), (14, 51493302), (18, 40050346), (21, 34328868), (28, 25746651), (36, 20025173), (42, 17164434), (49, 14712372), (63, 11442956), (84, 8582217), (98, 7356186), (126, 5721478), (147, 4904124), (196, 3678093), (252, 2860739), (294, 2452062), (441, 1634708), (588, 1226031), (882, 817354), (1764, 408677)]