213887980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4421}}^1$

素因数の和:4530

約数の個数: 48

約数和(自身を含む): 468024480

約数和(自身を除く): 254136500

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 205, 236, 295, 410, 590, 820, 1180, 2419, 4421, 4838, 8842, 9676, 12095, 17684, 22105, 24190, 44210, 48380, 88420, 181261, 260839, 362522, 521678, 725044, 906305, 1043356, 1304195, 1812610, 2608390, 3625220, 5216780, 10694399, 21388798, 42777596, 53471995, 106943990, 213887980]

約数ペア:

[(1, 213887980), (2, 106943990), (4, 53471995), (5, 42777596), (10, 21388798), (20, 10694399), (41, 5216780), (59, 3625220), (82, 2608390), (118, 1812610), (164, 1304195), (205, 1043356), (236, 906305), (295, 725044), (410, 521678), (590, 362522), (820, 260839), (1180, 181261), (2419, 88420), (4421, 48380), (4838, 44210), (8842, 24190), (9676, 22105), (12095, 17684)]