251884860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{68821}}^1$

素因数の和:68894

約数の個数: 48

約数和(自身を含む): 716849952

約数和(自身を除く): 464965092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 68821, 137642, 206463, 275284, 344105, 412926, 688210, 825852, 1032315, 1376420, 2064630, 4129260, 4198081, 8396162, 12594243, 16792324, 20990405, 25188486, 41980810, 50376972, 62971215, 83961620, 125942430, 251884860]

約数ペア:

[(1, 251884860), (2, 125942430), (3, 83961620), (4, 62971215), (5, 50376972), (6, 41980810), (10, 25188486), (12, 20990405), (15, 16792324), (20, 12594243), (30, 8396162), (60, 4198081), (61, 4129260), (122, 2064630), (183, 1376420), (244, 1032315), (305, 825852), (366, 688210), (610, 412926), (732, 344105), (915, 275284), (1220, 206463), (1830, 137642), (3660, 68821)]