217269390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17971}}^1$

素因数の和:18025

約数の個数: 64

約数和(自身を含む): 579704832

約数和(自身を除く): 362435442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 17971, 35942, 53913, 89855, 107826, 179710, 233623, 269565, 467246, 539130, 557101, 700869, 1114202, 1168115, 1401738, 1671303, 2336230, 2785505, 3342606, 3504345, 5571010, 7008690, 7242313, 8356515, 14484626, 16713030, 21726939, 36211565, 43453878, 72423130, 108634695, 217269390]

約数ペア:

[(1, 217269390), (2, 108634695), (3, 72423130), (5, 43453878), (6, 36211565), (10, 21726939), (13, 16713030), (15, 14484626), (26, 8356515), (30, 7242313), (31, 7008690), (39, 5571010), (62, 3504345), (65, 3342606), (78, 2785505), (93, 2336230), (130, 1671303), (155, 1401738), (186, 1168115), (195, 1114202), (310, 700869), (390, 557101), (403, 539130), (465, 467246), (806, 269565), (930, 233623), (1209, 179710), (2015, 107826), (2418, 89855), (4030, 53913), (6045, 35942), (12090, 17971)]