177145420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{619}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 382788000

約数和(自身を除く): 205642580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 349, 410, 619, 698, 820, 1238, 1396, 1745, 2476, 3095, 3490, 6190, 6980, 12380, 14309, 25379, 28618, 50758, 57236, 71545, 101516, 126895, 143090, 216031, 253790, 286180, 432062, 507580, 864124, 1080155, 2160310, 4320620, 8857271, 17714542, 35429084, 44286355, 88572710, 177145420]

約数ペア:

[(1, 177145420), (2, 88572710), (4, 44286355), (5, 35429084), (10, 17714542), (20, 8857271), (41, 4320620), (82, 2160310), (164, 1080155), (205, 864124), (349, 507580), (410, 432062), (619, 286180), (698, 253790), (820, 216031), (1238, 143090), (1396, 126895), (1745, 101516), (2476, 71545), (3095, 57236), (3490, 50758), (6190, 28618), (6980, 25379), (12380, 14309)]