2150250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 5571072

約数和(自身を除く): 3420822

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 61, 75, 94, 122, 125, 141, 150, 183, 235, 250, 282, 305, 366, 375, 470, 610, 705, 750, 915, 1175, 1410, 1525, 1830, 2350, 2867, 3050, 3525, 4575, 5734, 5875, 7050, 7625, 8601, 9150, 11750, 14335, 15250, 17202, 17625, 22875, 28670, 35250, 43005, 45750, 71675, 86010, 143350, 215025, 358375, 430050, 716750, 1075125, 2150250]

約数ペア:

[(1, 2150250), (2, 1075125), (3, 716750), (5, 430050), (6, 358375), (10, 215025), (15, 143350), (25, 86010), (30, 71675), (47, 45750), (50, 43005), (61, 35250), (75, 28670), (94, 22875), (122, 17625), (125, 17202), (141, 15250), (150, 14335), (183, 11750), (235, 9150), (250, 8601), (282, 7625), (305, 7050), (366, 5875), (375, 5734), (470, 4575), (610, 3525), (705, 3050), (750, 2867), (915, 2350), (1175, 1830), (1410, 1525)]