28961130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 53982870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 31, 33, 38, 55, 57, 62, 66, 93, 95, 110, 114, 149, 155, 165, 186, 190, 209, 285, 298, 310, 330, 341, 418, 447, 465, 570, 589, 627, 682, 745, 894, 930, 1023, 1045, 1178, 1254, 1490, 1639, 1705, 1767, 2046, 2090, 2235, 2831, 2945, 3135, 3278, 3410, 3534, 4470, 4619, 4917, 5115, 5662, 5890, 6270, 6479, 8195, 8493, 8835, 9238, 9834, 10230, 12958, 13857, 14155, 16390, 16986, 17670, 19437, 23095, 24585, 27714, 28310, 31141, 32395, 38874, 42465, 46190, 49170, 50809, 62282, 64790, 69285, 84930, 87761, 93423, 97185, 101618, 138570, 152427, 155705, 175522, 186846, 194370, 254045, 263283, 304854, 311410, 438805, 467115, 508090, 526566, 762135, 877610, 934230, 965371, 1316415, 1524270, 1930742, 2632830, 2896113, 4826855, 5792226, 9653710, 14480565, 28961130]

約数ペア:

[(1, 28961130), (2, 14480565), (3, 9653710), (5, 5792226), (6, 4826855), (10, 2896113), (11, 2632830), (15, 1930742), (19, 1524270), (22, 1316415), (30, 965371), (31, 934230), (33, 877610), (38, 762135), (55, 526566), (57, 508090), (62, 467115), (66, 438805), (93, 311410), (95, 304854), (110, 263283), (114, 254045), (149, 194370), (155, 186846), (165, 175522), (186, 155705), (190, 152427), (209, 138570), (285, 101618), (298, 97185), (310, 93423), (330, 87761), (341, 84930), (418, 69285), (447, 64790), (465, 62282), (570, 50809), (589, 49170), (627, 46190), (682, 42465), (745, 38874), (894, 32395), (930, 31141), (1023, 28310), (1045, 27714), (1178, 24585), (1254, 23095), (1490, 19437), (1639, 17670), (1705, 16986), (1767, 16390), (2046, 14155), (2090, 13857), (2235, 12958), (2831, 10230), (2945, 9834), (3135, 9238), (3278, 8835), (3410, 8493), (3534, 8195), (4470, 6479), (4619, 6270), (4917, 5890), (5115, 5662)]