202149140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{11243}}^1$

素因数の和:11312

約数の個数: 48

約数和(自身を含む): 453358080

約数和(自身を除く): 251208940

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 3596, 4495, 8990, 11243, 17980, 22486, 44972, 56215, 112430, 224860, 326047, 348533, 652094, 697066, 1304188, 1394132, 1630235, 1742665, 3260470, 3485330, 6520940, 6970660, 10107457, 20214914, 40429828, 50537285, 101074570, 202149140]

約数ペア:

[(1, 202149140), (2, 101074570), (4, 50537285), (5, 40429828), (10, 20214914), (20, 10107457), (29, 6970660), (31, 6520940), (58, 3485330), (62, 3260470), (116, 1742665), (124, 1630235), (145, 1394132), (155, 1304188), (290, 697066), (310, 652094), (580, 348533), (620, 326047), (899, 224860), (1798, 112430), (3596, 56215), (4495, 44972), (8990, 22486), (11243, 17980)]