1889188240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 4946469120

約数和(自身を除く): 3057280880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 113, 136, 152, 170, 190, 226, 272, 304, 323, 340, 380, 452, 565, 646, 647, 680, 760, 904, 1130, 1292, 1294, 1360, 1520, 1615, 1808, 1921, 2147, 2260, 2584, 2588, 3230, 3235, 3842, 4294, 4520, 5168, 5176, 6460, 6470, 7684, 8588, 9040, 9605, 10352, 10735, 10999, 12293, 12920, 12940, 15368, 17176, 19210, 21470, 21998, 24586, 25840, 25880, 30736, 34352, 36499, 38420, 42940, 43996, 49172, 51760, 54995, 61465, 72998, 73111, 76840, 85880, 87992, 98344, 109990, 122930, 145996, 146222, 153680, 171760, 175984, 182495, 196688, 208981, 219980, 245860, 291992, 292444, 364990, 365555, 417962, 439960, 491720, 583984, 584888, 729980, 731110, 835924, 879920, 983440, 1044905, 1169776, 1242887, 1389109, 1459960, 1462220, 1671848, 2089810, 2485774, 2778218, 2919920, 2924440, 3343696, 4179620, 4971548, 5556436, 5848880, 6214435, 6945545, 8359240, 9943096, 11112872, 12428870, 13891090, 16718480, 19886192, 22225744, 23614853, 24857740, 27782180, 47229706, 49715480, 55564360, 94459412, 99430960, 111128720, 118074265, 188918824, 236148530, 377837648, 472297060, 944594120, 1889188240]

約数ペア:

[(1, 1889188240), (2, 944594120), (4, 472297060), (5, 377837648), (8, 236148530), (10, 188918824), (16, 118074265), (17, 111128720), (19, 99430960), (20, 94459412), (34, 55564360), (38, 49715480), (40, 47229706), (68, 27782180), (76, 24857740), (80, 23614853), (85, 22225744), (95, 19886192), (113, 16718480), (136, 13891090), (152, 12428870), (170, 11112872), (190, 9943096), (226, 8359240), (272, 6945545), (304, 6214435), (323, 5848880), (340, 5556436), (380, 4971548), (452, 4179620), (565, 3343696), (646, 2924440), (647, 2919920), (680, 2778218), (760, 2485774), (904, 2089810), (1130, 1671848), (1292, 1462220), (1294, 1459960), (1360, 1389109), (1520, 1242887), (1615, 1169776), (1808, 1044905), (1921, 983440), (2147, 879920), (2260, 835924), (2584, 731110), (2588, 729980), (3230, 584888), (3235, 583984), (3842, 491720), (4294, 439960), (4520, 417962), (5168, 365555), (5176, 364990), (6460, 292444), (6470, 291992), (7684, 245860), (8588, 219980), (9040, 208981), (9605, 196688), (10352, 182495), (10735, 175984), (10999, 171760), (12293, 153680), (12920, 146222), (12940, 145996), (15368, 122930), (17176, 109990), (19210, 98344), (21470, 87992), (21998, 85880), (24586, 76840), (25840, 73111), (25880, 72998), (30736, 61465), (34352, 54995), (36499, 51760), (38420, 49172), (42940, 43996)]