209637480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2203}}^1$

素因数の和:2291

約数の個数: 128

約数和(自身を含む): 688705920

約数和(自身を除く): 479068440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 732, 780, 793, 915, 1220, 1464, 1560, 1586, 1830, 2203, 2379, 2440, 3172, 3660, 3965, 4406, 4758, 6344, 6609, 7320, 7930, 8812, 9516, 11015, 11895, 13218, 15860, 17624, 19032, 22030, 23790, 26436, 28639, 31720, 33045, 44060, 47580, 52872, 57278, 66090, 85917, 88120, 95160, 114556, 132180, 134383, 143195, 171834, 229112, 264360, 268766, 286390, 343668, 403149, 429585, 537532, 572780, 671915, 687336, 806298, 859170, 1075064, 1145560, 1343830, 1612596, 1718340, 1746979, 2015745, 2687660, 3225192, 3436680, 3493958, 4031490, 5240937, 5375320, 6987916, 8062980, 8734895, 10481874, 13975832, 16125960, 17469790, 20963748, 26204685, 34939580, 41927496, 52409370, 69879160, 104818740, 209637480]

約数ペア:

[(1, 209637480), (2, 104818740), (3, 69879160), (4, 52409370), (5, 41927496), (6, 34939580), (8, 26204685), (10, 20963748), (12, 17469790), (13, 16125960), (15, 13975832), (20, 10481874), (24, 8734895), (26, 8062980), (30, 6987916), (39, 5375320), (40, 5240937), (52, 4031490), (60, 3493958), (61, 3436680), (65, 3225192), (78, 2687660), (104, 2015745), (120, 1746979), (122, 1718340), (130, 1612596), (156, 1343830), (183, 1145560), (195, 1075064), (244, 859170), (260, 806298), (305, 687336), (312, 671915), (366, 572780), (390, 537532), (488, 429585), (520, 403149), (610, 343668), (732, 286390), (780, 268766), (793, 264360), (915, 229112), (1220, 171834), (1464, 143195), (1560, 134383), (1586, 132180), (1830, 114556), (2203, 95160), (2379, 88120), (2440, 85917), (3172, 66090), (3660, 57278), (3965, 52872), (4406, 47580), (4758, 44060), (6344, 33045), (6609, 31720), (7320, 28639), (7930, 26436), (8812, 23790), (9516, 22030), (11015, 19032), (11895, 17624), (13218, 15860)]