754401380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{18427}}^1$

素因数の和:18548

約数の個数: 48

約数和(自身を含む): 1671788160

約数和(自身を除く): 917386780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 890, 1780, 2047, 4094, 8188, 10235, 18427, 20470, 36854, 40940, 73708, 92135, 184270, 368540, 423821, 847642, 1640003, 1695284, 2119105, 3280006, 4238210, 6560012, 8200015, 8476420, 16400030, 32800060, 37720069, 75440138, 150880276, 188600345, 377200690, 754401380]

約数ペア:

[(1, 754401380), (2, 377200690), (4, 188600345), (5, 150880276), (10, 75440138), (20, 37720069), (23, 32800060), (46, 16400030), (89, 8476420), (92, 8200015), (115, 6560012), (178, 4238210), (230, 3280006), (356, 2119105), (445, 1695284), (460, 1640003), (890, 847642), (1780, 423821), (2047, 368540), (4094, 184270), (8188, 92135), (10235, 73708), (18427, 40940), (20470, 36854)]