189908480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2447

約数の個数: 80

約数和(自身を含む): 470219904

約数和(自身を除く): 280311424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2393, 2480, 2560, 3968, 4786, 4960, 7936, 9572, 9920, 11965, 15872, 19144, 19840, 23930, 38288, 39680, 47860, 74183, 76576, 79360, 95720, 148366, 153152, 191440, 296732, 306304, 370915, 382880, 593464, 612608, 741830, 765760, 1186928, 1225216, 1483660, 1531520, 2373856, 2967320, 3063040, 4747712, 5934640, 6126080, 9495424, 11869280, 18990848, 23738560, 37981696, 47477120, 94954240, 189908480]

約数ペア:

[(1, 189908480), (2, 94954240), (4, 47477120), (5, 37981696), (8, 23738560), (10, 18990848), (16, 11869280), (20, 9495424), (31, 6126080), (32, 5934640), (40, 4747712), (62, 3063040), (64, 2967320), (80, 2373856), (124, 1531520), (128, 1483660), (155, 1225216), (160, 1186928), (248, 765760), (256, 741830), (310, 612608), (320, 593464), (496, 382880), (512, 370915), (620, 306304), (640, 296732), (992, 191440), (1240, 153152), (1280, 148366), (1984, 95720), (2393, 79360), (2480, 76576), (2560, 74183), (3968, 47860), (4786, 39680), (4960, 38288), (7936, 23930), (9572, 19840), (9920, 19144), (11965, 15872)]