421938804

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{887}}^1$

素因数の和:1717

約数の個数: 72

約数和(自身を含む): 1147970880

約数和(自身を除く): 726032076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 809, 887, 1618, 1774, 2427, 2661, 3236, 3548, 4854, 5322, 5663, 6209, 9708, 10644, 11326, 12418, 16989, 18627, 22652, 24836, 33978, 37254, 39641, 43463, 67956, 74508, 79282, 86926, 118923, 130389, 158564, 173852, 237846, 260778, 475692, 521556, 717583, 1435166, 2152749, 2870332, 4305498, 5023081, 8610996, 10046162, 15069243, 20092324, 30138486, 35161567, 60276972, 70323134, 105484701, 140646268, 210969402, 421938804]

約数ペア:

[(1, 421938804), (2, 210969402), (3, 140646268), (4, 105484701), (6, 70323134), (7, 60276972), (12, 35161567), (14, 30138486), (21, 20092324), (28, 15069243), (42, 10046162), (49, 8610996), (84, 5023081), (98, 4305498), (147, 2870332), (196, 2152749), (294, 1435166), (588, 717583), (809, 521556), (887, 475692), (1618, 260778), (1774, 237846), (2427, 173852), (2661, 158564), (3236, 130389), (3548, 118923), (4854, 86926), (5322, 79282), (5663, 74508), (6209, 67956), (9708, 43463), (10644, 39641), (11326, 37254), (12418, 33978), (16989, 24836), (18627, 22652)]