404908140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74159}}^1$

素因数の和:74191

約数の個数: 96

約数和(自身を含む): 1395394560

約数和(自身を除く): 990486420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 74159, 148318, 222477, 296636, 370795, 444954, 519113, 741590, 889908, 964067, 1038226, 1112385, 1483180, 1557339, 1928134, 2076452, 2224770, 2595565, 2892201, 3114678, 3856268, 4449540, 4820335, 5191130, 5784402, 6229356, 6748469, 7786695, 9640670, 10382260, 11568804, 13496938, 14461005, 15573390, 19281340, 20245407, 26993876, 28922010, 31146780, 33742345, 40490814, 57844020, 67484690, 80981628, 101227035, 134969380, 202454070, 404908140]

約数ペア:

[(1, 404908140), (2, 202454070), (3, 134969380), (4, 101227035), (5, 80981628), (6, 67484690), (7, 57844020), (10, 40490814), (12, 33742345), (13, 31146780), (14, 28922010), (15, 26993876), (20, 20245407), (21, 19281340), (26, 15573390), (28, 14461005), (30, 13496938), (35, 11568804), (39, 10382260), (42, 9640670), (52, 7786695), (60, 6748469), (65, 6229356), (70, 5784402), (78, 5191130), (84, 4820335), (91, 4449540), (105, 3856268), (130, 3114678), (140, 2892201), (156, 2595565), (182, 2224770), (195, 2076452), (210, 1928134), (260, 1557339), (273, 1483180), (364, 1112385), (390, 1038226), (420, 964067), (455, 889908), (546, 741590), (780, 519113), (910, 444954), (1092, 370795), (1365, 296636), (1820, 222477), (2730, 148318), (5460, 74159)]