217335940

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{2749}}^1$

素因数の和:2884

約数の個数: 48

約数和(自身を含む): 471240000

約数和(自身を除く): 253904060

約数列:

[1, 2, 4, 5, 10, 20, 59, 67, 118, 134, 236, 268, 295, 335, 590, 670, 1180, 1340, 2749, 3953, 5498, 7906, 10996, 13745, 15812, 19765, 27490, 39530, 54980, 79060, 162191, 184183, 324382, 368366, 648764, 736732, 810955, 920915, 1621910, 1841830, 3243820, 3683660, 10866797, 21733594, 43467188, 54333985, 108667970, 217335940]

約数ペア:

[(1, 217335940), (2, 108667970), (4, 54333985), (5, 43467188), (10, 21733594), (20, 10866797), (59, 3683660), (67, 3243820), (118, 1841830), (134, 1621910), (236, 920915), (268, 810955), (295, 736732), (335, 648764), (590, 368366), (670, 324382), (1180, 184183), (1340, 162191), (2749, 79060), (3953, 54980), (5498, 39530), (7906, 27490), (10996, 19765), (13745, 15812)]