390609920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 176

約数和(自身を含む): 1018718208

約数和(自身を除く): 628108288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 107, 115, 124, 128, 155, 160, 184, 214, 230, 248, 256, 310, 320, 368, 428, 460, 496, 512, 535, 620, 640, 713, 736, 856, 920, 992, 1024, 1070, 1240, 1280, 1426, 1472, 1712, 1840, 1984, 2140, 2461, 2480, 2560, 2852, 2944, 3317, 3424, 3565, 3680, 3968, 4280, 4922, 4960, 5120, 5704, 5888, 6634, 6848, 7130, 7360, 7936, 8560, 9844, 9920, 11408, 11776, 12305, 13268, 13696, 14260, 14720, 15872, 16585, 17120, 19688, 19840, 22816, 23552, 24610, 26536, 27392, 28520, 29440, 31744, 33170, 34240, 39376, 39680, 45632, 49220, 53072, 54784, 57040, 58880, 66340, 68480, 76291, 78752, 79360, 91264, 98440, 106144, 109568, 114080, 117760, 132680, 136960, 152582, 157504, 158720, 182528, 196880, 212288, 228160, 265360, 273920, 305164, 315008, 365056, 381455, 393760, 424576, 456320, 530720, 547840, 610328, 630016, 730112, 762910, 787520, 849152, 912640, 1061440, 1220656, 1260032, 1525820, 1575040, 1698304, 1825280, 2122880, 2441312, 2520064, 3051640, 3150080, 3396608, 3650560, 4245760, 4882624, 6103280, 6300160, 8491520, 9765248, 12206560, 12600320, 16983040, 19530496, 24413120, 39060992, 48826240, 78121984, 97652480, 195304960, 390609920]

約数ペア:

[(1, 390609920), (2, 195304960), (4, 97652480), (5, 78121984), (8, 48826240), (10, 39060992), (16, 24413120), (20, 19530496), (23, 16983040), (31, 12600320), (32, 12206560), (40, 9765248), (46, 8491520), (62, 6300160), (64, 6103280), (80, 4882624), (92, 4245760), (107, 3650560), (115, 3396608), (124, 3150080), (128, 3051640), (155, 2520064), (160, 2441312), (184, 2122880), (214, 1825280), (230, 1698304), (248, 1575040), (256, 1525820), (310, 1260032), (320, 1220656), (368, 1061440), (428, 912640), (460, 849152), (496, 787520), (512, 762910), (535, 730112), (620, 630016), (640, 610328), (713, 547840), (736, 530720), (856, 456320), (920, 424576), (992, 393760), (1024, 381455), (1070, 365056), (1240, 315008), (1280, 305164), (1426, 273920), (1472, 265360), (1712, 228160), (1840, 212288), (1984, 196880), (2140, 182528), (2461, 158720), (2480, 157504), (2560, 152582), (2852, 136960), (2944, 132680), (3317, 117760), (3424, 114080), (3565, 109568), (3680, 106144), (3968, 98440), (4280, 91264), (4922, 79360), (4960, 78752), (5120, 76291), (5704, 68480), (5888, 66340), (6634, 58880), (6848, 57040), (7130, 54784), (7360, 53072), (7936, 49220), (8560, 45632), (9844, 39680), (9920, 39376), (11408, 34240), (11776, 33170), (12305, 31744), (13268, 29440), (13696, 28520), (14260, 27392), (14720, 26536), (15872, 24610), (16585, 23552), (17120, 22816), (19688, 19840)]