28043290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 30276710

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 59, 110, 118, 145, 149, 290, 295, 298, 319, 590, 638, 649, 745, 1298, 1490, 1595, 1639, 1711, 3190, 3245, 3278, 3422, 4321, 6490, 8195, 8555, 8642, 8791, 16390, 17110, 17582, 18821, 21605, 37642, 43210, 43955, 47531, 87910, 94105, 95062, 96701, 188210, 193402, 237655, 254939, 475310, 483505, 509878, 967010, 1274695, 2549390, 2804329, 5608658, 14021645, 28043290]

約数ペア:

[(1, 28043290), (2, 14021645), (5, 5608658), (10, 2804329), (11, 2549390), (22, 1274695), (29, 967010), (55, 509878), (58, 483505), (59, 475310), (110, 254939), (118, 237655), (145, 193402), (149, 188210), (290, 96701), (295, 95062), (298, 94105), (319, 87910), (590, 47531), (638, 43955), (649, 43210), (745, 37642), (1298, 21605), (1490, 18821), (1595, 17582), (1639, 17110), (1711, 16390), (3190, 8791), (3245, 8642), (3278, 8555), (3422, 8195), (4321, 6490)]