238640940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 108

約数和(自身を含む): 737008272

約数和(自身を除く): 498367332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 263, 284, 355, 426, 526, 639, 710, 789, 852, 1052, 1065, 1278, 1315, 1420, 1578, 2130, 2367, 2556, 2630, 3156, 3195, 3945, 4260, 4734, 5041, 5260, 6390, 7890, 9468, 10082, 11835, 12780, 15123, 15780, 18673, 20164, 23670, 25205, 30246, 37346, 45369, 47340, 50410, 56019, 60492, 74692, 75615, 90738, 93365, 100820, 112038, 151230, 168057, 181476, 186730, 224076, 226845, 280095, 302460, 336114, 373460, 453690, 560190, 672228, 840285, 907380, 1120380, 1325783, 1680570, 2651566, 3361140, 3977349, 5303132, 6628915, 7954698, 11932047, 13257830, 15909396, 19886745, 23864094, 26515660, 39773490, 47728188, 59660235, 79546980, 119320470, 238640940]

約数ペア:

[(1, 238640940), (2, 119320470), (3, 79546980), (4, 59660235), (5, 47728188), (6, 39773490), (9, 26515660), (10, 23864094), (12, 19886745), (15, 15909396), (18, 13257830), (20, 11932047), (30, 7954698), (36, 6628915), (45, 5303132), (60, 3977349), (71, 3361140), (90, 2651566), (142, 1680570), (180, 1325783), (213, 1120380), (263, 907380), (284, 840285), (355, 672228), (426, 560190), (526, 453690), (639, 373460), (710, 336114), (789, 302460), (852, 280095), (1052, 226845), (1065, 224076), (1278, 186730), (1315, 181476), (1420, 168057), (1578, 151230), (2130, 112038), (2367, 100820), (2556, 93365), (2630, 90738), (3156, 75615), (3195, 74692), (3945, 60492), (4260, 56019), (4734, 50410), (5041, 47340), (5260, 45369), (6390, 37346), (7890, 30246), (9468, 25205), (10082, 23670), (11835, 20164), (12780, 18673), (15123, 15780)]