207540040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 530841600

約数和(自身を除く): 323301560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 184, 190, 230, 248, 310, 380, 383, 437, 460, 589, 620, 713, 760, 766, 874, 920, 1178, 1240, 1426, 1532, 1748, 1915, 2185, 2356, 2852, 2945, 3064, 3496, 3565, 3830, 4370, 4712, 5704, 5890, 7130, 7277, 7660, 8740, 8809, 11780, 11873, 13547, 14260, 14554, 15320, 17480, 17618, 23560, 23746, 27094, 28520, 29108, 35236, 36385, 44045, 47492, 54188, 58216, 59365, 67735, 70472, 72770, 88090, 94984, 108376, 118730, 135470, 145540, 167371, 176180, 225587, 237460, 270940, 273079, 291080, 334742, 352360, 451174, 474920, 541880, 546158, 669484, 836855, 902348, 1092316, 1127935, 1338968, 1365395, 1673710, 1804696, 2184632, 2255870, 2730790, 3347420, 4511740, 5188501, 5461580, 6694840, 9023480, 10377002, 10923160, 20754004, 25942505, 41508008, 51885010, 103770020, 207540040]

約数ペア:

[(1, 207540040), (2, 103770020), (4, 51885010), (5, 41508008), (8, 25942505), (10, 20754004), (19, 10923160), (20, 10377002), (23, 9023480), (31, 6694840), (38, 5461580), (40, 5188501), (46, 4511740), (62, 3347420), (76, 2730790), (92, 2255870), (95, 2184632), (115, 1804696), (124, 1673710), (152, 1365395), (155, 1338968), (184, 1127935), (190, 1092316), (230, 902348), (248, 836855), (310, 669484), (380, 546158), (383, 541880), (437, 474920), (460, 451174), (589, 352360), (620, 334742), (713, 291080), (760, 273079), (766, 270940), (874, 237460), (920, 225587), (1178, 176180), (1240, 167371), (1426, 145540), (1532, 135470), (1748, 118730), (1915, 108376), (2185, 94984), (2356, 88090), (2852, 72770), (2945, 70472), (3064, 67735), (3496, 59365), (3565, 58216), (3830, 54188), (4370, 47492), (4712, 44045), (5704, 36385), (5890, 35236), (7130, 29108), (7277, 28520), (7660, 27094), (8740, 23746), (8809, 23560), (11780, 17618), (11873, 17480), (13547, 15320), (14260, 14554)]