258458340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{87911}}^1$

素因数の和:87937

約数の個数: 72

約数和(自身を含む): 841845312

約数和(自身を除く): 583386972

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, 87911, 175822, 263733, 351644, 439555, 527466, 615377, 879110, 1054932, 1230754, 1318665, 1758220, 1846131, 2461508, 2637330, 3076885, 3692262, 4307639, 5274660, 6153770, 7384524, 8615278, 9230655, 12307540, 12922917, 17230556, 18461310, 21538195, 25845834, 36922620, 43076390, 51691668, 64614585, 86152780, 129229170, 258458340]

約数ペア:

[(1, 258458340), (2, 129229170), (3, 86152780), (4, 64614585), (5, 51691668), (6, 43076390), (7, 36922620), (10, 25845834), (12, 21538195), (14, 18461310), (15, 17230556), (20, 12922917), (21, 12307540), (28, 9230655), (30, 8615278), (35, 7384524), (42, 6153770), (49, 5274660), (60, 4307639), (70, 3692262), (84, 3076885), (98, 2637330), (105, 2461508), (140, 1846131), (147, 1758220), (196, 1318665), (210, 1230754), (245, 1054932), (294, 879110), (420, 615377), (490, 527466), (588, 439555), (735, 351644), (980, 263733), (1470, 175822), (2940, 87911)]