47970020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 121040640

約数和(自身を除く): 73070620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 1579, 2170, 3038, 3158, 4340, 6076, 6316, 7595, 7895, 11053, 15190, 15790, 22106, 30380, 31580, 44212, 48949, 55265, 77371, 97898, 110530, 154742, 195796, 221060, 244745, 309484, 342643, 386855, 489490, 685286, 773710, 978980, 1370572, 1547420, 1713215, 2398501, 3426430, 4797002, 6852860, 9594004, 11992505, 23985010, 47970020]

約数ペア:

[(1, 47970020), (2, 23985010), (4, 11992505), (5, 9594004), (7, 6852860), (10, 4797002), (14, 3426430), (20, 2398501), (28, 1713215), (31, 1547420), (35, 1370572), (49, 978980), (62, 773710), (70, 685286), (98, 489490), (124, 386855), (140, 342643), (155, 309484), (196, 244745), (217, 221060), (245, 195796), (310, 154742), (434, 110530), (490, 97898), (620, 77371), (868, 55265), (980, 48949), (1085, 44212), (1519, 31580), (1579, 30380), (2170, 22106), (3038, 15790), (3158, 15190), (4340, 11053), (6076, 7895), (6316, 7595)]