61942280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 147960000

約数和(自身を除く): 86017720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 547, 596, 745, 760, 1094, 1192, 1490, 2188, 2735, 2831, 2980, 4376, 5470, 5662, 5960, 10393, 10940, 11324, 14155, 20786, 21880, 22648, 28310, 41572, 51965, 56620, 81503, 83144, 103930, 113240, 163006, 207860, 326012, 407515, 415720, 652024, 815030, 1548557, 1630060, 3097114, 3260120, 6194228, 7742785, 12388456, 15485570, 30971140, 61942280]

約数ペア:

[(1, 61942280), (2, 30971140), (4, 15485570), (5, 12388456), (8, 7742785), (10, 6194228), (19, 3260120), (20, 3097114), (38, 1630060), (40, 1548557), (76, 815030), (95, 652024), (149, 415720), (152, 407515), (190, 326012), (298, 207860), (380, 163006), (547, 113240), (596, 103930), (745, 83144), (760, 81503), (1094, 56620), (1192, 51965), (1490, 41572), (2188, 28310), (2735, 22648), (2831, 21880), (2980, 20786), (4376, 14155), (5470, 11324), (5662, 10940), (5960, 10393)]