393016880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 120

約数和(自身を含む): 986722560

約数和(自身を除く): 593705680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 191, 272, 289, 340, 356, 382, 445, 578, 680, 712, 764, 890, 955, 1156, 1360, 1424, 1445, 1513, 1528, 1780, 1910, 2312, 2890, 3026, 3056, 3247, 3560, 3820, 4624, 5780, 6052, 6494, 7120, 7565, 7640, 11560, 12104, 12988, 15130, 15280, 16235, 16999, 23120, 24208, 25721, 25976, 30260, 32470, 33998, 51442, 51952, 55199, 60520, 64940, 67996, 84995, 102884, 110398, 121040, 128605, 129880, 135992, 169990, 205768, 220796, 257210, 259760, 271984, 275995, 288983, 339980, 411536, 441592, 514420, 551990, 577966, 679960, 883184, 1028840, 1103980, 1155932, 1359920, 1444915, 2057680, 2207960, 2311864, 2889830, 4415920, 4623728, 4912711, 5779660, 9825422, 11559320, 19650844, 23118640, 24563555, 39301688, 49127110, 78603376, 98254220, 196508440, 393016880]

約数ペア:

[(1, 393016880), (2, 196508440), (4, 98254220), (5, 78603376), (8, 49127110), (10, 39301688), (16, 24563555), (17, 23118640), (20, 19650844), (34, 11559320), (40, 9825422), (68, 5779660), (80, 4912711), (85, 4623728), (89, 4415920), (136, 2889830), (170, 2311864), (178, 2207960), (191, 2057680), (272, 1444915), (289, 1359920), (340, 1155932), (356, 1103980), (382, 1028840), (445, 883184), (578, 679960), (680, 577966), (712, 551990), (764, 514420), (890, 441592), (955, 411536), (1156, 339980), (1360, 288983), (1424, 275995), (1445, 271984), (1513, 259760), (1528, 257210), (1780, 220796), (1910, 205768), (2312, 169990), (2890, 135992), (3026, 129880), (3056, 128605), (3247, 121040), (3560, 110398), (3820, 102884), (4624, 84995), (5780, 67996), (6052, 64940), (6494, 60520), (7120, 55199), (7565, 51952), (7640, 51442), (11560, 33998), (12104, 32470), (12988, 30260), (15130, 25976), (15280, 25721), (16235, 24208), (16999, 23120)]