197978480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:871

約数の個数: 160

約数和(自身を含む): 578534400

約数和(自身を除く): 380555920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 80, 92, 95, 112, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 304, 322, 368, 380, 437, 460, 532, 560, 644, 665, 760, 805, 809, 874, 920, 1064, 1288, 1330, 1520, 1610, 1618, 1748, 1840, 2128, 2185, 2576, 2660, 3059, 3220, 3236, 3496, 4045, 4370, 5320, 5663, 6118, 6440, 6472, 6992, 8090, 8740, 10640, 11326, 12236, 12880, 12944, 15295, 15371, 16180, 17480, 18607, 22652, 24472, 28315, 30590, 30742, 32360, 34960, 37214, 45304, 48944, 56630, 61180, 61484, 64720, 74428, 76855, 90608, 93035, 107597, 113260, 122360, 122968, 130249, 148856, 153710, 186070, 215194, 226520, 244720, 245936, 260498, 297712, 307420, 353533, 372140, 430388, 453040, 520996, 537985, 614840, 651245, 707066, 744280, 860776, 1041992, 1075970, 1229680, 1302490, 1414132, 1488560, 1721552, 1767665, 2083984, 2151940, 2474731, 2604980, 2828264, 3535330, 4303880, 4949462, 5209960, 5656528, 7070660, 8607760, 9898924, 10419920, 12373655, 14141320, 19797848, 24747310, 28282640, 39595696, 49494620, 98989240, 197978480]

約数ペア:

[(1, 197978480), (2, 98989240), (4, 49494620), (5, 39595696), (7, 28282640), (8, 24747310), (10, 19797848), (14, 14141320), (16, 12373655), (19, 10419920), (20, 9898924), (23, 8607760), (28, 7070660), (35, 5656528), (38, 5209960), (40, 4949462), (46, 4303880), (56, 3535330), (70, 2828264), (76, 2604980), (80, 2474731), (92, 2151940), (95, 2083984), (112, 1767665), (115, 1721552), (133, 1488560), (140, 1414132), (152, 1302490), (161, 1229680), (184, 1075970), (190, 1041992), (230, 860776), (266, 744280), (280, 707066), (304, 651245), (322, 614840), (368, 537985), (380, 520996), (437, 453040), (460, 430388), (532, 372140), (560, 353533), (644, 307420), (665, 297712), (760, 260498), (805, 245936), (809, 244720), (874, 226520), (920, 215194), (1064, 186070), (1288, 153710), (1330, 148856), (1520, 130249), (1610, 122968), (1618, 122360), (1748, 113260), (1840, 107597), (2128, 93035), (2185, 90608), (2576, 76855), (2660, 74428), (3059, 64720), (3220, 61484), (3236, 61180), (3496, 56630), (4045, 48944), (4370, 45304), (5320, 37214), (5663, 34960), (6118, 32360), (6440, 30742), (6472, 30590), (6992, 28315), (8090, 24472), (8740, 22652), (10640, 18607), (11326, 17480), (12236, 16180), (12880, 15371), (12944, 15295)]