355969150

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 676162080

約数和(自身を除く): 320192930

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 197, 355, 394, 509, 710, 985, 1018, 1775, 1970, 2545, 3550, 4925, 5090, 9850, 12725, 13987, 25450, 27974, 36139, 69935, 72278, 100273, 139870, 180695, 200546, 349675, 361390, 501365, 699350, 903475, 1002730, 1806950, 2506825, 5013650, 7119383, 14238766, 35596915, 71193830, 177984575, 355969150]

約数ペア:

[(1, 355969150), (2, 177984575), (5, 71193830), (10, 35596915), (25, 14238766), (50, 7119383), (71, 5013650), (142, 2506825), (197, 1806950), (355, 1002730), (394, 903475), (509, 699350), (710, 501365), (985, 361390), (1018, 349675), (1775, 200546), (1970, 180695), (2545, 139870), (3550, 100273), (4925, 72278), (5090, 69935), (9850, 36139), (12725, 27974), (13987, 25450)]