208677780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31333}}^1$

素因数の和:31385

約数の個数: 72

約数和(自身を含む): 650117832

約数和(自身を除く): 441440052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31333, 62666, 93999, 125332, 156665, 187998, 281997, 313330, 375996, 469995, 563994, 626660, 939990, 1127988, 1159321, 1409985, 1879980, 2318642, 2819970, 3477963, 4637284, 5639940, 5796605, 6955926, 10433889, 11593210, 13911852, 17389815, 20867778, 23186420, 34779630, 41735556, 52169445, 69559260, 104338890, 208677780]

約数ペア:

[(1, 208677780), (2, 104338890), (3, 69559260), (4, 52169445), (5, 41735556), (6, 34779630), (9, 23186420), (10, 20867778), (12, 17389815), (15, 13911852), (18, 11593210), (20, 10433889), (30, 6955926), (36, 5796605), (37, 5639940), (45, 4637284), (60, 3477963), (74, 2819970), (90, 2318642), (111, 1879980), (148, 1409985), (180, 1159321), (185, 1127988), (222, 939990), (333, 626660), (370, 563994), (444, 469995), (555, 375996), (666, 313330), (740, 281997), (1110, 187998), (1332, 156665), (1665, 125332), (2220, 93999), (3330, 62666), (6660, 31333)]