899939920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3065

約数の個数: 120

約数和(自身を含む): 2374848000

約数和(自身を除く): 1474908080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 176, 220, 242, 248, 310, 341, 440, 484, 496, 605, 620, 682, 880, 968, 1210, 1240, 1364, 1705, 1936, 2420, 2480, 2728, 2999, 3410, 3751, 4840, 5456, 5998, 6820, 7502, 9680, 11996, 13640, 14995, 15004, 18755, 23992, 27280, 29990, 30008, 32989, 37510, 47984, 59980, 60016, 65978, 75020, 92969, 119960, 131956, 150040, 164945, 185938, 239920, 263912, 300080, 329890, 362879, 371876, 464845, 527824, 659780, 725758, 743752, 929690, 1022659, 1319560, 1451516, 1487504, 1814395, 1859380, 2045318, 2639120, 2903032, 3628790, 3718760, 4090636, 5113295, 5806064, 7257580, 7437520, 8181272, 10226590, 11249249, 14515160, 16362544, 20453180, 22498498, 29030320, 40906360, 44996996, 56246245, 81812720, 89993992, 112492490, 179987984, 224984980, 449969960, 899939920]

約数ペア:

[(1, 899939920), (2, 449969960), (4, 224984980), (5, 179987984), (8, 112492490), (10, 89993992), (11, 81812720), (16, 56246245), (20, 44996996), (22, 40906360), (31, 29030320), (40, 22498498), (44, 20453180), (55, 16362544), (62, 14515160), (80, 11249249), (88, 10226590), (110, 8181272), (121, 7437520), (124, 7257580), (155, 5806064), (176, 5113295), (220, 4090636), (242, 3718760), (248, 3628790), (310, 2903032), (341, 2639120), (440, 2045318), (484, 1859380), (496, 1814395), (605, 1487504), (620, 1451516), (682, 1319560), (880, 1022659), (968, 929690), (1210, 743752), (1240, 725758), (1364, 659780), (1705, 527824), (1936, 464845), (2420, 371876), (2480, 362879), (2728, 329890), (2999, 300080), (3410, 263912), (3751, 239920), (4840, 185938), (5456, 164945), (5998, 150040), (6820, 131956), (7502, 119960), (9680, 92969), (11996, 75020), (13640, 65978), (14995, 60016), (15004, 59980), (18755, 47984), (23992, 37510), (27280, 32989), (29990, 30008)]