398836708520

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2333}}^1\times {\mathrm{7673}}^1$

素因数の和:10574

約数の個数: 64

約数和(自身を含む): 899496245520

約数和(自身を除く): 500659537000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2333, 2785, 4456, 4666, 5570, 7673, 9332, 11140, 11665, 15346, 18664, 22280, 23330, 30692, 38365, 46660, 61384, 76730, 93320, 153460, 306920, 1299481, 2598962, 4273861, 5197924, 6497405, 8547722, 10395848, 12994810, 17095444, 17901109, 21369305, 25989620, 34190888, 35802218, 42738610, 51979240, 71604436, 85477220, 89505545, 143208872, 170954440, 179011090, 358022180, 716044360, 9970917713, 19941835426, 39883670852, 49854588565, 79767341704, 99709177130, 199418354260, 398836708520]

約数ペア:

[(1, 398836708520), (2, 199418354260), (4, 99709177130), (5, 79767341704), (8, 49854588565), (10, 39883670852), (20, 19941835426), (40, 9970917713), (557, 716044360), (1114, 358022180), (2228, 179011090), (2333, 170954440), (2785, 143208872), (4456, 89505545), (4666, 85477220), (5570, 71604436), (7673, 51979240), (9332, 42738610), (11140, 35802218), (11665, 34190888), (15346, 25989620), (18664, 21369305), (22280, 17901109), (23330, 17095444), (30692, 12994810), (38365, 10395848), (46660, 8547722), (61384, 6497405), (76730, 5197924), (93320, 4273861), (153460, 2598962), (306920, 1299481)]