64617100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:583

約数の個数: 72

約数和(自身を含む): 149990400

約数和(自身を除く): 85373300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 479, 710, 950, 958, 1349, 1420, 1775, 1900, 1916, 2395, 2698, 3550, 4790, 5396, 6745, 7100, 9101, 9580, 11975, 13490, 18202, 23950, 26980, 33725, 34009, 36404, 45505, 47900, 67450, 68018, 91010, 134900, 136036, 170045, 182020, 227525, 340090, 455050, 646171, 680180, 850225, 910100, 1292342, 1700450, 2584684, 3230855, 3400900, 6461710, 12923420, 16154275, 32308550, 64617100]

約数ペア:

[(1, 64617100), (2, 32308550), (4, 16154275), (5, 12923420), (10, 6461710), (19, 3400900), (20, 3230855), (25, 2584684), (38, 1700450), (50, 1292342), (71, 910100), (76, 850225), (95, 680180), (100, 646171), (142, 455050), (190, 340090), (284, 227525), (355, 182020), (380, 170045), (475, 136036), (479, 134900), (710, 91010), (950, 68018), (958, 67450), (1349, 47900), (1420, 45505), (1775, 36404), (1900, 34009), (1916, 33725), (2395, 26980), (2698, 23950), (3550, 18202), (4790, 13490), (5396, 11975), (6745, 9580), (7100, 9101)]