778202920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{967}}^1$

素因数の和:1079

約数の個数: 128

約数和(自身を含む): 2007244800

約数和(自身を除く): 1229041880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 59, 62, 88, 110, 118, 124, 155, 220, 236, 248, 295, 310, 341, 440, 472, 590, 620, 649, 682, 967, 1180, 1240, 1298, 1364, 1705, 1829, 1934, 2360, 2596, 2728, 3245, 3410, 3658, 3868, 4835, 5192, 6490, 6820, 7316, 7736, 9145, 9670, 10637, 12980, 13640, 14632, 18290, 19340, 20119, 21274, 25960, 29977, 36580, 38680, 40238, 42548, 53185, 57053, 59954, 73160, 80476, 85096, 100595, 106370, 114106, 119908, 149885, 160952, 201190, 212740, 228212, 239816, 285265, 299770, 329747, 402380, 425480, 456424, 570530, 599540, 627583, 659494, 804760, 1141060, 1199080, 1255166, 1318988, 1648735, 1768643, 2282120, 2510332, 2637976, 3137915, 3297470, 3537286, 5020664, 6275830, 6594940, 7074572, 8843215, 12551660, 13189880, 14149144, 17686430, 19455073, 25103320, 35372860, 38910146, 70745720, 77820292, 97275365, 155640584, 194550730, 389101460, 778202920]

約数ペア:

[(1, 778202920), (2, 389101460), (4, 194550730), (5, 155640584), (8, 97275365), (10, 77820292), (11, 70745720), (20, 38910146), (22, 35372860), (31, 25103320), (40, 19455073), (44, 17686430), (55, 14149144), (59, 13189880), (62, 12551660), (88, 8843215), (110, 7074572), (118, 6594940), (124, 6275830), (155, 5020664), (220, 3537286), (236, 3297470), (248, 3137915), (295, 2637976), (310, 2510332), (341, 2282120), (440, 1768643), (472, 1648735), (590, 1318988), (620, 1255166), (649, 1199080), (682, 1141060), (967, 804760), (1180, 659494), (1240, 627583), (1298, 599540), (1364, 570530), (1705, 456424), (1829, 425480), (1934, 402380), (2360, 329747), (2596, 299770), (2728, 285265), (3245, 239816), (3410, 228212), (3658, 212740), (3868, 201190), (4835, 160952), (5192, 149885), (6490, 119908), (6820, 114106), (7316, 106370), (7736, 100595), (9145, 85096), (9670, 80476), (10637, 73160), (12980, 59954), (13640, 57053), (14632, 53185), (18290, 42548), (19340, 40238), (20119, 38680), (21274, 36580), (25960, 29977)]