172447420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14639}}^1$

素因数の和:14698

約数の個数: 48

約数和(自身を含む): 393523200

約数和(自身を除く): 221075780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 14639, 29278, 58556, 73195, 146390, 278141, 292780, 453809, 556282, 907618, 1112564, 1390705, 1815236, 2269045, 2781410, 4538090, 5562820, 8622371, 9076180, 17244742, 34489484, 43111855, 86223710, 172447420]

約数ペア:

[(1, 172447420), (2, 86223710), (4, 43111855), (5, 34489484), (10, 17244742), (19, 9076180), (20, 8622371), (31, 5562820), (38, 4538090), (62, 2781410), (76, 2269045), (95, 1815236), (124, 1390705), (155, 1112564), (190, 907618), (310, 556282), (380, 453809), (589, 292780), (620, 278141), (1178, 146390), (2356, 73195), (2945, 58556), (5890, 29278), (11780, 14639)]