121291220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2357}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 266208768

約数和(自身を除く): 144917548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2357, 2573, 4714, 5146, 9428, 10292, 11785, 12865, 23570, 25730, 47140, 51460, 73067, 146134, 195631, 292268, 365335, 391262, 730670, 782524, 978155, 1461340, 1956310, 3912620, 6064561, 12129122, 24258244, 30322805, 60645610, 121291220]

約数ペア:

[(1, 121291220), (2, 60645610), (4, 30322805), (5, 24258244), (10, 12129122), (20, 6064561), (31, 3912620), (62, 1956310), (83, 1461340), (124, 978155), (155, 782524), (166, 730670), (310, 391262), (332, 365335), (415, 292268), (620, 195631), (830, 146134), (1660, 73067), (2357, 51460), (2573, 47140), (4714, 25730), (5146, 23570), (9428, 12865), (10292, 11785)]