249607040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 128

約数和(自身を含む): 643921920

約数和(自身を除く): 394314880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 547, 620, 640, 713, 736, 920, 992, 1094, 1240, 1426, 1472, 1840, 1984, 2188, 2480, 2735, 2852, 2944, 3565, 3680, 3968, 4376, 4960, 5470, 5704, 7130, 7360, 8752, 9920, 10940, 11408, 12581, 14260, 14720, 16957, 17504, 19840, 21880, 22816, 25162, 28520, 33914, 35008, 43760, 45632, 50324, 57040, 62905, 67828, 70016, 84785, 87520, 91264, 100648, 114080, 125810, 135656, 169570, 175040, 201296, 228160, 251620, 271312, 339140, 350080, 390011, 402592, 456320, 503240, 542624, 678280, 780022, 805184, 1006480, 1085248, 1356560, 1560044, 1610368, 1950055, 2012960, 2170496, 2713120, 3120088, 3900110, 4025920, 5426240, 6240176, 7800220, 8051840, 10852480, 12480352, 15600440, 24960704, 31200880, 49921408, 62401760, 124803520, 249607040]

約数ペア:

[(1, 249607040), (2, 124803520), (4, 62401760), (5, 49921408), (8, 31200880), (10, 24960704), (16, 15600440), (20, 12480352), (23, 10852480), (31, 8051840), (32, 7800220), (40, 6240176), (46, 5426240), (62, 4025920), (64, 3900110), (80, 3120088), (92, 2713120), (115, 2170496), (124, 2012960), (128, 1950055), (155, 1610368), (160, 1560044), (184, 1356560), (230, 1085248), (248, 1006480), (310, 805184), (320, 780022), (368, 678280), (460, 542624), (496, 503240), (547, 456320), (620, 402592), (640, 390011), (713, 350080), (736, 339140), (920, 271312), (992, 251620), (1094, 228160), (1240, 201296), (1426, 175040), (1472, 169570), (1840, 135656), (1984, 125810), (2188, 114080), (2480, 100648), (2735, 91264), (2852, 87520), (2944, 84785), (3565, 70016), (3680, 67828), (3968, 62905), (4376, 57040), (4960, 50324), (5470, 45632), (5704, 43760), (7130, 35008), (7360, 33914), (8752, 28520), (9920, 25162), (10940, 22816), (11408, 21880), (12581, 19840), (14260, 17504), (14720, 16957)]