197147580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67057}}^1$

素因数の和:67083

約数の個数: 72

約数和(自身を含む): 642147408

約数和(自身を除く): 444999828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 67057, 134114, 201171, 268228, 335285, 402342, 469399, 670570, 804684, 938798, 1005855, 1341140, 1408197, 1877596, 2011710, 2346995, 2816394, 3285793, 4023420, 4693990, 5632788, 6571586, 7040985, 9387980, 9857379, 13143172, 14081970, 16428965, 19714758, 28163940, 32857930, 39429516, 49286895, 65715860, 98573790, 197147580]

約数ペア:

[(1, 197147580), (2, 98573790), (3, 65715860), (4, 49286895), (5, 39429516), (6, 32857930), (7, 28163940), (10, 19714758), (12, 16428965), (14, 14081970), (15, 13143172), (20, 9857379), (21, 9387980), (28, 7040985), (30, 6571586), (35, 5632788), (42, 4693990), (49, 4023420), (60, 3285793), (70, 2816394), (84, 2346995), (98, 2011710), (105, 1877596), (140, 1408197), (147, 1341140), (196, 1005855), (210, 938798), (245, 804684), (294, 670570), (420, 469399), (490, 402342), (588, 335285), (735, 268228), (980, 201171), (1470, 134114), (2940, 67057)]