291219760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2617}}^1$

素因数の和:2750

約数の個数: 80

約数和(自身を含む): 736265376

約数和(自身を除く): 445045616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 2140, 2617, 2782, 4280, 5234, 5564, 6955, 8560, 10468, 11128, 13085, 13910, 20936, 22256, 26170, 27820, 34021, 41872, 52340, 55640, 68042, 104680, 111280, 136084, 170105, 209360, 272168, 280019, 340210, 544336, 560038, 680420, 1120076, 1360840, 1400095, 2240152, 2721680, 2800190, 3640247, 4480304, 5600380, 7280494, 11200760, 14560988, 18201235, 22401520, 29121976, 36402470, 58243952, 72804940, 145609880, 291219760]

約数ペア:

[(1, 291219760), (2, 145609880), (4, 72804940), (5, 58243952), (8, 36402470), (10, 29121976), (13, 22401520), (16, 18201235), (20, 14560988), (26, 11200760), (40, 7280494), (52, 5600380), (65, 4480304), (80, 3640247), (104, 2800190), (107, 2721680), (130, 2240152), (208, 1400095), (214, 1360840), (260, 1120076), (428, 680420), (520, 560038), (535, 544336), (856, 340210), (1040, 280019), (1070, 272168), (1391, 209360), (1712, 170105), (2140, 136084), (2617, 111280), (2782, 104680), (4280, 68042), (5234, 55640), (5564, 52340), (6955, 41872), (8560, 34021), (10468, 27820), (11128, 26170), (13085, 22256), (13910, 20936)]