766393420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 1775289600

約数和(自身を除く): 1008896180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 149, 260, 271, 292, 298, 365, 542, 596, 730, 745, 949, 1084, 1355, 1460, 1490, 1898, 1937, 2710, 2980, 3523, 3796, 3874, 4745, 5420, 7046, 7748, 9490, 9685, 10877, 14092, 17615, 18980, 19370, 19783, 21754, 35230, 38740, 39566, 40379, 43508, 54385, 70460, 79132, 80758, 98915, 108770, 141401, 161516, 197830, 201895, 217540, 257179, 282802, 395660, 403790, 514358, 524927, 565604, 707005, 807580, 1028716, 1049854, 1285895, 1414010, 2099708, 2571790, 2624635, 2828020, 2947667, 5143580, 5249270, 5895334, 10498540, 11790668, 14738335, 29476670, 38319671, 58953340, 76639342, 153278684, 191598355, 383196710, 766393420]

約数ペア:

[(1, 766393420), (2, 383196710), (4, 191598355), (5, 153278684), (10, 76639342), (13, 58953340), (20, 38319671), (26, 29476670), (52, 14738335), (65, 11790668), (73, 10498540), (130, 5895334), (146, 5249270), (149, 5143580), (260, 2947667), (271, 2828020), (292, 2624635), (298, 2571790), (365, 2099708), (542, 1414010), (596, 1285895), (730, 1049854), (745, 1028716), (949, 807580), (1084, 707005), (1355, 565604), (1460, 524927), (1490, 514358), (1898, 403790), (1937, 395660), (2710, 282802), (2980, 257179), (3523, 217540), (3796, 201895), (3874, 197830), (4745, 161516), (5420, 141401), (7046, 108770), (7748, 98915), (9490, 80758), (9685, 79132), (10877, 70460), (14092, 54385), (17615, 43508), (18980, 40379), (19370, 39566), (19783, 38740), (21754, 35230)]