221470620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3539}}^1$

素因数の和:3707

約数の個数: 96

約数和(自身を含む): 713664000

約数和(自身を除く): 492193380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 596, 745, 894, 1043, 1490, 1788, 2086, 2235, 2980, 3129, 3539, 4172, 4470, 5215, 6258, 7078, 8940, 10430, 10617, 12516, 14156, 15645, 17695, 20860, 21234, 24773, 31290, 35390, 42468, 49546, 53085, 62580, 70780, 74319, 99092, 106170, 123865, 148638, 212340, 247730, 297276, 371595, 495460, 527311, 743190, 1054622, 1486380, 1581933, 2109244, 2636555, 3163866, 3691177, 5273110, 6327732, 7382354, 7909665, 10546220, 11073531, 14764708, 15819330, 18455885, 22147062, 31638660, 36911770, 44294124, 55367655, 73823540, 110735310, 221470620]

約数ペア:

[(1, 221470620), (2, 110735310), (3, 73823540), (4, 55367655), (5, 44294124), (6, 36911770), (7, 31638660), (10, 22147062), (12, 18455885), (14, 15819330), (15, 14764708), (20, 11073531), (21, 10546220), (28, 7909665), (30, 7382354), (35, 6327732), (42, 5273110), (60, 3691177), (70, 3163866), (84, 2636555), (105, 2109244), (140, 1581933), (149, 1486380), (210, 1054622), (298, 743190), (420, 527311), (447, 495460), (596, 371595), (745, 297276), (894, 247730), (1043, 212340), (1490, 148638), (1788, 123865), (2086, 106170), (2235, 99092), (2980, 74319), (3129, 70780), (3539, 62580), (4172, 53085), (4470, 49546), (5215, 42468), (6258, 35390), (7078, 31290), (8940, 24773), (10430, 21234), (10617, 20860), (12516, 17695), (14156, 15645)]