30830920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 43041080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 152, 190, 226, 359, 380, 452, 565, 718, 760, 904, 1130, 1436, 1795, 2147, 2260, 2872, 3590, 4294, 4520, 6821, 7180, 8588, 10735, 13642, 14360, 17176, 21470, 27284, 34105, 40567, 42940, 54568, 68210, 81134, 85880, 136420, 162268, 202835, 272840, 324536, 405670, 770773, 811340, 1541546, 1622680, 3083092, 3853865, 6166184, 7707730, 15415460, 30830920]

約数ペア:

[(1, 30830920), (2, 15415460), (4, 7707730), (5, 6166184), (8, 3853865), (10, 3083092), (19, 1622680), (20, 1541546), (38, 811340), (40, 770773), (76, 405670), (95, 324536), (113, 272840), (152, 202835), (190, 162268), (226, 136420), (359, 85880), (380, 81134), (452, 68210), (565, 54568), (718, 42940), (760, 40567), (904, 34105), (1130, 27284), (1436, 21470), (1795, 17176), (2147, 14360), (2260, 13642), (2872, 10735), (3590, 8588), (4294, 7180), (4520, 6821)]