219903180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74797}}^1$

素因数の和:74823

約数の個数: 72

約数和(自身を含む): 716265648

約数和(自身を除く): 496362468

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, 74797, 149594, 224391, 299188, 373985, 448782, 523579, 747970, 897564, 1047158, 1121955, 1495940, 1570737, 2094316, 2243910, 2617895, 3141474, 3665053, 4487820, 5235790, 6282948, 7330106, 7853685, 10471580, 10995159, 14660212, 15707370, 18325265, 21990318, 31414740, 36650530, 43980636, 54975795, 73301060, 109951590, 219903180]

約数ペア:

[(1, 219903180), (2, 109951590), (3, 73301060), (4, 54975795), (5, 43980636), (6, 36650530), (7, 31414740), (10, 21990318), (12, 18325265), (14, 15707370), (15, 14660212), (20, 10995159), (21, 10471580), (28, 7853685), (30, 7330106), (35, 6282948), (42, 5235790), (49, 4487820), (60, 3665053), (70, 3141474), (84, 2617895), (98, 2243910), (105, 2094316), (140, 1570737), (147, 1495940), (196, 1121955), (210, 1047158), (245, 897564), (294, 747970), (420, 523579), (490, 448782), (588, 373985), (735, 299188), (980, 224391), (1470, 149594), (2940, 74797)]