219090640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 120

約数和(自身を含む): 552964608

約数和(自身を除く): 333873968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 167, 184, 230, 248, 310, 334, 368, 460, 496, 529, 620, 668, 713, 835, 920, 1058, 1240, 1336, 1426, 1670, 1840, 2116, 2480, 2645, 2672, 2852, 3340, 3565, 3841, 4232, 5177, 5290, 5704, 6680, 7130, 7682, 8464, 10354, 10580, 11408, 13360, 14260, 15364, 16399, 19205, 20708, 21160, 25885, 28520, 30728, 32798, 38410, 41416, 42320, 51770, 57040, 61456, 65596, 76820, 81995, 82832, 88343, 103540, 119071, 131192, 153640, 163990, 176686, 207080, 238142, 262384, 307280, 327980, 353372, 414160, 441715, 476284, 595355, 655960, 706744, 883430, 952568, 1190710, 1311920, 1413488, 1766860, 1905136, 2381420, 2738633, 3533720, 4762840, 5477266, 7067440, 9525680, 10954532, 13693165, 21909064, 27386330, 43818128, 54772660, 109545320, 219090640]

約数ペア:

[(1, 219090640), (2, 109545320), (4, 54772660), (5, 43818128), (8, 27386330), (10, 21909064), (16, 13693165), (20, 10954532), (23, 9525680), (31, 7067440), (40, 5477266), (46, 4762840), (62, 3533720), (80, 2738633), (92, 2381420), (115, 1905136), (124, 1766860), (155, 1413488), (167, 1311920), (184, 1190710), (230, 952568), (248, 883430), (310, 706744), (334, 655960), (368, 595355), (460, 476284), (496, 441715), (529, 414160), (620, 353372), (668, 327980), (713, 307280), (835, 262384), (920, 238142), (1058, 207080), (1240, 176686), (1336, 163990), (1426, 153640), (1670, 131192), (1840, 119071), (2116, 103540), (2480, 88343), (2645, 82832), (2672, 81995), (2852, 76820), (3340, 65596), (3565, 61456), (3841, 57040), (4232, 51770), (5177, 42320), (5290, 41416), (5704, 38410), (6680, 32798), (7130, 30728), (7682, 28520), (8464, 25885), (10354, 21160), (10580, 20708), (11408, 19205), (13360, 16399), (14260, 15364)]