491567390

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{1907}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 896378400

約数和(自身を除く): 404811010

約数列:

[1, 2, 5, 10, 149, 173, 298, 346, 745, 865, 1490, 1730, 1907, 3814, 9535, 19070, 25777, 51554, 128885, 257770, 284143, 329911, 568286, 659822, 1420715, 1649555, 2841430, 3299110, 49156739, 98313478, 245783695, 491567390]

約数ペア:

[(1, 491567390), (2, 245783695), (5, 98313478), (10, 49156739), (149, 3299110), (173, 2841430), (298, 1649555), (346, 1420715), (745, 659822), (865, 568286), (1490, 329911), (1730, 284143), (1907, 257770), (3814, 128885), (9535, 51554), (19070, 25777)]