215430390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{341953}}^1$

素因数の和:341973

約数の個数: 48

約数和(自身を含む): 640137888

約数和(自身を除く): 424707498

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 341953, 683906, 1025859, 1709765, 2051718, 2393671, 3077577, 3419530, 4787342, 5129295, 6155154, 7181013, 10258590, 11968355, 14362026, 15387885, 21543039, 23936710, 30775770, 35905065, 43086078, 71810130, 107715195, 215430390]

約数ペア:

[(1, 215430390), (2, 107715195), (3, 71810130), (5, 43086078), (6, 35905065), (7, 30775770), (9, 23936710), (10, 21543039), (14, 15387885), (15, 14362026), (18, 11968355), (21, 10258590), (30, 7181013), (35, 6155154), (42, 5129295), (45, 4787342), (63, 3419530), (70, 3077577), (90, 2393671), (105, 2051718), (126, 1709765), (210, 1025859), (315, 683906), (630, 341953)]