197987400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8496

約数の個数: 144

約数和(自身を含む): 716139060

約数和(自身を除く): 518151660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 39, 40, 45, 50, 52, 60, 65, 72, 75, 78, 90, 100, 104, 117, 120, 130, 150, 156, 180, 195, 200, 225, 234, 260, 300, 312, 325, 360, 390, 450, 468, 520, 585, 600, 650, 780, 900, 936, 975, 1170, 1300, 1560, 1800, 1950, 2340, 2600, 2925, 3900, 4680, 5850, 7800, 8461, 11700, 16922, 23400, 25383, 33844, 42305, 50766, 67688, 76149, 84610, 101532, 109993, 126915, 152298, 169220, 203064, 211525, 219986, 253830, 304596, 329979, 338440, 380745, 423050, 439972, 507660, 549965, 609192, 634575, 659958, 761490, 846100, 879944, 989937, 1015320, 1099930, 1269150, 1319916, 1522980, 1649895, 1692200, 1903725, 1979874, 2199860, 2538300, 2639832, 2749825, 3045960, 3299790, 3807450, 3959748, 4399720, 4949685, 5076600, 5499650, 6599580, 7614900, 7919496, 8249475, 9899370, 10999300, 13199160, 15229800, 16498950, 19798740, 21998600, 24748425, 32997900, 39597480, 49496850, 65995800, 98993700, 197987400]

約数ペア:

[(1, 197987400), (2, 98993700), (3, 65995800), (4, 49496850), (5, 39597480), (6, 32997900), (8, 24748425), (9, 21998600), (10, 19798740), (12, 16498950), (13, 15229800), (15, 13199160), (18, 10999300), (20, 9899370), (24, 8249475), (25, 7919496), (26, 7614900), (30, 6599580), (36, 5499650), (39, 5076600), (40, 4949685), (45, 4399720), (50, 3959748), (52, 3807450), (60, 3299790), (65, 3045960), (72, 2749825), (75, 2639832), (78, 2538300), (90, 2199860), (100, 1979874), (104, 1903725), (117, 1692200), (120, 1649895), (130, 1522980), (150, 1319916), (156, 1269150), (180, 1099930), (195, 1015320), (200, 989937), (225, 879944), (234, 846100), (260, 761490), (300, 659958), (312, 634575), (325, 609192), (360, 549965), (390, 507660), (450, 439972), (468, 423050), (520, 380745), (585, 338440), (600, 329979), (650, 304596), (780, 253830), (900, 219986), (936, 211525), (975, 203064), (1170, 169220), (1300, 152298), (1560, 126915), (1800, 109993), (1950, 101532), (2340, 84610), (2600, 76149), (2925, 67688), (3900, 50766), (4680, 42305), (5850, 33844), (7800, 25383), (8461, 23400), (11700, 16922)]