188801780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4289}}^1$

素因数の和:4400

約数の個数: 48

約数和(自身を含む): 415134720

約数和(自身を除く): 226332940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4289, 4402, 8578, 8804, 11005, 17156, 21445, 22010, 42890, 44020, 85780, 132959, 265918, 304519, 531836, 609038, 664795, 1218076, 1329590, 1522595, 2659180, 3045190, 6090380, 9440089, 18880178, 37760356, 47200445, 94400890, 188801780]

約数ペア:

[(1, 188801780), (2, 94400890), (4, 47200445), (5, 37760356), (10, 18880178), (20, 9440089), (31, 6090380), (62, 3045190), (71, 2659180), (124, 1522595), (142, 1329590), (155, 1218076), (284, 664795), (310, 609038), (355, 531836), (620, 304519), (710, 265918), (1420, 132959), (2201, 85780), (4289, 44020), (4402, 42890), (8578, 22010), (8804, 21445), (11005, 17156)]