251015460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{220189}}^1$

素因数の和:220220

約数の個数: 48

約数和(自身を含む): 739838400

約数和(自身を除く): 488822940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 220189, 440378, 660567, 880756, 1100945, 1321134, 2201890, 2642268, 3302835, 4183591, 4403780, 6605670, 8367182, 12550773, 13211340, 16734364, 20917955, 25101546, 41835910, 50203092, 62753865, 83671820, 125507730, 251015460]

約数ペア:

[(1, 251015460), (2, 125507730), (3, 83671820), (4, 62753865), (5, 50203092), (6, 41835910), (10, 25101546), (12, 20917955), (15, 16734364), (19, 13211340), (20, 12550773), (30, 8367182), (38, 6605670), (57, 4403780), (60, 4183591), (76, 3302835), (95, 2642268), (114, 2201890), (190, 1321134), (228, 1100945), (285, 880756), (380, 660567), (570, 440378), (1140, 220189)]