397503540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{811}}^1$

素因数の和:1222

約数の個数: 144

約数和(自身を含む): 1383258240

約数和(自身を除く): 985754700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 389, 420, 630, 778, 811, 1167, 1260, 1556, 1622, 1945, 2334, 2433, 2723, 3244, 3501, 3890, 4055, 4668, 4866, 5446, 5677, 5835, 7002, 7299, 7780, 8110, 8169, 9732, 10892, 11354, 11670, 12165, 13615, 14004, 14598, 16220, 16338, 17031, 17505, 22708, 23340, 24330, 24507, 27230, 28385, 29196, 32676, 34062, 35010, 36495, 40845, 48660, 49014, 51093, 54460, 56770, 68124, 70020, 72990, 81690, 85155, 98028, 102186, 113540, 122535, 145980, 163380, 170310, 204372, 245070, 255465, 315479, 340620, 490140, 510930, 630958, 946437, 1021860, 1261916, 1577395, 1892874, 2208353, 2839311, 3154790, 3785748, 4416706, 4732185, 5678622, 6309580, 6625059, 8833412, 9464370, 11041765, 11357244, 13250118, 14196555, 18928740, 19875177, 22083530, 26500236, 28393110, 33125295, 39750354, 44167060, 56786220, 66250590, 79500708, 99375885, 132501180, 198751770, 397503540]

約数ペア:

[(1, 397503540), (2, 198751770), (3, 132501180), (4, 99375885), (5, 79500708), (6, 66250590), (7, 56786220), (9, 44167060), (10, 39750354), (12, 33125295), (14, 28393110), (15, 26500236), (18, 22083530), (20, 19875177), (21, 18928740), (28, 14196555), (30, 13250118), (35, 11357244), (36, 11041765), (42, 9464370), (45, 8833412), (60, 6625059), (63, 6309580), (70, 5678622), (84, 4732185), (90, 4416706), (105, 3785748), (126, 3154790), (140, 2839311), (180, 2208353), (210, 1892874), (252, 1577395), (315, 1261916), (389, 1021860), (420, 946437), (630, 630958), (778, 510930), (811, 490140), (1167, 340620), (1260, 315479), (1556, 255465), (1622, 245070), (1945, 204372), (2334, 170310), (2433, 163380), (2723, 145980), (3244, 122535), (3501, 113540), (3890, 102186), (4055, 98028), (4668, 85155), (4866, 81690), (5446, 72990), (5677, 70020), (5835, 68124), (7002, 56770), (7299, 54460), (7780, 51093), (8110, 49014), (8169, 48660), (9732, 40845), (10892, 36495), (11354, 35010), (11670, 34062), (12165, 32676), (13615, 29196), (14004, 28385), (14598, 27230), (16220, 24507), (16338, 24330), (17031, 23340), (17505, 22708)]