49996980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 179020800

約数和(自身を除く): 129023820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 90, 95, 99, 108, 110, 114, 132, 135, 165, 171, 180, 190, 198, 209, 220, 228, 270, 285, 297, 330, 342, 380, 396, 418, 443, 495, 513, 540, 570, 594, 627, 660, 684, 836, 855, 886, 990, 1026, 1045, 1140, 1188, 1254, 1329, 1485, 1710, 1772, 1881, 1980, 2052, 2090, 2215, 2508, 2565, 2658, 2970, 3135, 3420, 3762, 3987, 4180, 4430, 4873, 5130, 5316, 5643, 5940, 6270, 6645, 7524, 7974, 8417, 8860, 9405, 9746, 10260, 11286, 11961, 12540, 13290, 14619, 15948, 16834, 18810, 19492, 19935, 22572, 23922, 24365, 25251, 26580, 28215, 29238, 33668, 37620, 39870, 42085, 43857, 47844, 48730, 50502, 56430, 58476, 59805, 73095, 75753, 79740, 84170, 87714, 92587, 97460, 101004, 112860, 119610, 126255, 131571, 146190, 151506, 168340, 175428, 185174, 219285, 227259, 239220, 252510, 263142, 277761, 292380, 303012, 370348, 378765, 438570, 454518, 462935, 505020, 526284, 555522, 657855, 757530, 833283, 877140, 909036, 925870, 1111044, 1136295, 1315710, 1388805, 1515060, 1666566, 1851740, 2272590, 2499849, 2631420, 2777610, 3333132, 4166415, 4545180, 4999698, 5555220, 8332830, 9999396, 12499245, 16665660, 24998490, 49996980]

約数ペア:

[(1, 49996980), (2, 24998490), (3, 16665660), (4, 12499245), (5, 9999396), (6, 8332830), (9, 5555220), (10, 4999698), (11, 4545180), (12, 4166415), (15, 3333132), (18, 2777610), (19, 2631420), (20, 2499849), (22, 2272590), (27, 1851740), (30, 1666566), (33, 1515060), (36, 1388805), (38, 1315710), (44, 1136295), (45, 1111044), (54, 925870), (55, 909036), (57, 877140), (60, 833283), (66, 757530), (76, 657855), (90, 555522), (95, 526284), (99, 505020), (108, 462935), (110, 454518), (114, 438570), (132, 378765), (135, 370348), (165, 303012), (171, 292380), (180, 277761), (190, 263142), (198, 252510), (209, 239220), (220, 227259), (228, 219285), (270, 185174), (285, 175428), (297, 168340), (330, 151506), (342, 146190), (380, 131571), (396, 126255), (418, 119610), (443, 112860), (495, 101004), (513, 97460), (540, 92587), (570, 87714), (594, 84170), (627, 79740), (660, 75753), (684, 73095), (836, 59805), (855, 58476), (886, 56430), (990, 50502), (1026, 48730), (1045, 47844), (1140, 43857), (1188, 42085), (1254, 39870), (1329, 37620), (1485, 33668), (1710, 29238), (1772, 28215), (1881, 26580), (1980, 25251), (2052, 24365), (2090, 23922), (2215, 22572), (2508, 19935), (2565, 19492), (2658, 18810), (2970, 16834), (3135, 15948), (3420, 14619), (3762, 13290), (3987, 12540), (4180, 11961), (4430, 11286), (4873, 10260), (5130, 9746), (5316, 9405), (5643, 8860), (5940, 8417), (6270, 7974), (6645, 7524)]