421378440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71663}}^1$

素因数の和:71691

約数の個数: 96

約数和(自身を含む): 1470545280

約数和(自身を除く): 1049166840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 71663, 143326, 214989, 286652, 358315, 429978, 501641, 573304, 716630, 859956, 1003282, 1074945, 1433260, 1504923, 1719912, 2006564, 2149890, 2508205, 2866520, 3009846, 3511487, 4013128, 4299780, 5016410, 6019692, 7022974, 7524615, 8599560, 10032820, 10534461, 12039384, 14045948, 15049230, 17557435, 20065640, 21068922, 28091896, 30098460, 35114870, 42137844, 52672305, 60196920, 70229740, 84275688, 105344610, 140459480, 210689220, 421378440]

約数ペア:

[(1, 421378440), (2, 210689220), (3, 140459480), (4, 105344610), (5, 84275688), (6, 70229740), (7, 60196920), (8, 52672305), (10, 42137844), (12, 35114870), (14, 30098460), (15, 28091896), (20, 21068922), (21, 20065640), (24, 17557435), (28, 15049230), (30, 14045948), (35, 12039384), (40, 10534461), (42, 10032820), (49, 8599560), (56, 7524615), (60, 7022974), (70, 6019692), (84, 5016410), (98, 4299780), (105, 4013128), (120, 3511487), (140, 3009846), (147, 2866520), (168, 2508205), (196, 2149890), (210, 2006564), (245, 1719912), (280, 1504923), (294, 1433260), (392, 1074945), (420, 1003282), (490, 859956), (588, 716630), (735, 573304), (840, 501641), (980, 429978), (1176, 358315), (1470, 286652), (1960, 214989), (2940, 143326), (5880, 71663)]