201886820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1303}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 434638848

約数和(自身を除く): 232752028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 244, 254, 305, 508, 610, 635, 1220, 1270, 1303, 2540, 2606, 5212, 6515, 7747, 13030, 15494, 26060, 30988, 38735, 77470, 79483, 154940, 158966, 165481, 317932, 330962, 397415, 661924, 794830, 827405, 1589660, 1654810, 3309620, 10094341, 20188682, 40377364, 50471705, 100943410, 201886820]

約数ペア:

[(1, 201886820), (2, 100943410), (4, 50471705), (5, 40377364), (10, 20188682), (20, 10094341), (61, 3309620), (122, 1654810), (127, 1589660), (244, 827405), (254, 794830), (305, 661924), (508, 397415), (610, 330962), (635, 317932), (1220, 165481), (1270, 158966), (1303, 154940), (2540, 79483), (2606, 77470), (5212, 38735), (6515, 30988), (7747, 26060), (13030, 15494)]