490614540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{628993}}^1$

素因数の和:629018

約数の個数: 48

約数和(自身を含む): 1479393888

約数和(自身を除く): 988779348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 628993, 1257986, 1886979, 2515972, 3144965, 3773958, 6289930, 7547916, 8176909, 9434895, 12579860, 16353818, 18869790, 24530727, 32707636, 37739580, 40884545, 49061454, 81769090, 98122908, 122653635, 163538180, 245307270, 490614540]

約数ペア:

[(1, 490614540), (2, 245307270), (3, 163538180), (4, 122653635), (5, 98122908), (6, 81769090), (10, 49061454), (12, 40884545), (13, 37739580), (15, 32707636), (20, 24530727), (26, 18869790), (30, 16353818), (39, 12579860), (52, 9434895), (60, 8176909), (65, 7547916), (78, 6289930), (130, 3773958), (156, 3144965), (195, 2515972), (260, 1886979), (390, 1257986), (780, 628993)]