197747340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67261}}^1$

素因数の和:67287

約数の個数: 72

約数和(自身を含む): 644100912

約数和(自身を除く): 446353572

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, 67261, 134522, 201783, 269044, 336305, 403566, 470827, 672610, 807132, 941654, 1008915, 1345220, 1412481, 1883308, 2017830, 2354135, 2824962, 3295789, 4035660, 4708270, 5649924, 6591578, 7062405, 9416540, 9887367, 13183156, 14124810, 16478945, 19774734, 28249620, 32957890, 39549468, 49436835, 65915780, 98873670, 197747340]

約数ペア:

[(1, 197747340), (2, 98873670), (3, 65915780), (4, 49436835), (5, 39549468), (6, 32957890), (7, 28249620), (10, 19774734), (12, 16478945), (14, 14124810), (15, 13183156), (20, 9887367), (21, 9416540), (28, 7062405), (30, 6591578), (35, 5649924), (42, 4708270), (49, 4035660), (60, 3295789), (70, 2824962), (84, 2354135), (98, 2017830), (105, 1883308), (140, 1412481), (147, 1345220), (196, 1008915), (210, 941654), (245, 807132), (294, 672610), (420, 470827), (490, 403566), (588, 336305), (735, 269044), (980, 201783), (1470, 134522), (2940, 67261)]