1388330040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373207}}^1$

素因数の和:373252

約数の個数: 64

約数和(自身を含む): 4299356160

約数和(自身を除く): 2911026120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 373207, 746414, 1119621, 1492828, 1866035, 2239242, 2985656, 3732070, 4478484, 5598105, 7464140, 8956968, 11196210, 11569417, 14928280, 22392420, 23138834, 34708251, 44784840, 46277668, 57847085, 69416502, 92555336, 115694170, 138833004, 173541255, 231388340, 277666008, 347082510, 462776680, 694165020, 1388330040]

約数ペア:

[(1, 1388330040), (2, 694165020), (3, 462776680), (4, 347082510), (5, 277666008), (6, 231388340), (8, 173541255), (10, 138833004), (12, 115694170), (15, 92555336), (20, 69416502), (24, 57847085), (30, 46277668), (31, 44784840), (40, 34708251), (60, 23138834), (62, 22392420), (93, 14928280), (120, 11569417), (124, 11196210), (155, 8956968), (186, 7464140), (248, 5598105), (310, 4478484), (372, 3732070), (465, 2985656), (620, 2239242), (744, 1866035), (930, 1492828), (1240, 1119621), (1860, 746414), (3720, 373207)]