7889850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 21544380

約数和(自身を除く): 13654530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 89, 90, 150, 178, 197, 225, 267, 394, 445, 450, 534, 591, 801, 890, 985, 1182, 1335, 1602, 1773, 1970, 2225, 2670, 2955, 3546, 4005, 4450, 4925, 5910, 6675, 8010, 8865, 9850, 13350, 14775, 17533, 17730, 20025, 29550, 35066, 40050, 44325, 52599, 87665, 88650, 105198, 157797, 175330, 262995, 315594, 438325, 525990, 788985, 876650, 1314975, 1577970, 2629950, 3944925, 7889850]

約数ペア:

[(1, 7889850), (2, 3944925), (3, 2629950), (5, 1577970), (6, 1314975), (9, 876650), (10, 788985), (15, 525990), (18, 438325), (25, 315594), (30, 262995), (45, 175330), (50, 157797), (75, 105198), (89, 88650), (90, 87665), (150, 52599), (178, 44325), (197, 40050), (225, 35066), (267, 29550), (394, 20025), (445, 17730), (450, 17533), (534, 14775), (591, 13350), (801, 9850), (890, 8865), (985, 8010), (1182, 6675), (1335, 5910), (1602, 4925), (1773, 4450), (1970, 4005), (2225, 3546), (2670, 2955)]