210777420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71693}}^1$

素因数の和:71719

約数の個数: 72

約数和(自身を含む): 686541744

約数和(自身を除く): 475764324

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, 71693, 143386, 215079, 286772, 358465, 430158, 501851, 716930, 860316, 1003702, 1075395, 1433860, 1505553, 2007404, 2150790, 2509255, 3011106, 3512957, 4301580, 5018510, 6022212, 7025914, 7527765, 10037020, 10538871, 14051828, 15055530, 17564785, 21077742, 30111060, 35129570, 42155484, 52694355, 70259140, 105388710, 210777420]

約数ペア:

[(1, 210777420), (2, 105388710), (3, 70259140), (4, 52694355), (5, 42155484), (6, 35129570), (7, 30111060), (10, 21077742), (12, 17564785), (14, 15055530), (15, 14051828), (20, 10538871), (21, 10037020), (28, 7527765), (30, 7025914), (35, 6022212), (42, 5018510), (49, 4301580), (60, 3512957), (70, 3011106), (84, 2509255), (98, 2150790), (105, 2007404), (140, 1505553), (147, 1433860), (196, 1075395), (210, 1003702), (245, 860316), (294, 716930), (420, 501851), (490, 430158), (588, 358465), (735, 286772), (980, 215079), (1470, 143386), (2940, 71693)]