198905700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3\times {\mathrm{1933}}^1$

素因数の和:1971

約数の個数: 144

約数和(自身を含む): 671484800

約数和(自身を除く): 472579100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 420, 490, 525, 588, 686, 700, 735, 980, 1029, 1050, 1225, 1372, 1470, 1715, 1933, 2058, 2100, 2450, 2940, 3430, 3675, 3866, 4116, 4900, 5145, 5799, 6860, 7350, 7732, 8575, 9665, 10290, 11598, 13531, 14700, 17150, 19330, 20580, 23196, 25725, 27062, 28995, 34300, 38660, 40593, 48325, 51450, 54124, 57990, 67655, 81186, 94717, 96650, 102900, 115980, 135310, 144975, 162372, 189434, 193300, 202965, 270620, 284151, 289950, 338275, 378868, 405930, 473585, 568302, 579900, 663019, 676550, 811860, 947170, 1014825, 1136604, 1326038, 1353100, 1420755, 1894340, 1989057, 2029650, 2367925, 2652076, 2841510, 3315095, 3978114, 4059300, 4735850, 5683020, 6630190, 7103775, 7956228, 9471700, 9945285, 13260380, 14207550, 16575475, 19890570, 28415100, 33150950, 39781140, 49726425, 66301900, 99452850, 198905700]

約数ペア:

[(1, 198905700), (2, 99452850), (3, 66301900), (4, 49726425), (5, 39781140), (6, 33150950), (7, 28415100), (10, 19890570), (12, 16575475), (14, 14207550), (15, 13260380), (20, 9945285), (21, 9471700), (25, 7956228), (28, 7103775), (30, 6630190), (35, 5683020), (42, 4735850), (49, 4059300), (50, 3978114), (60, 3315095), (70, 2841510), (75, 2652076), (84, 2367925), (98, 2029650), (100, 1989057), (105, 1894340), (140, 1420755), (147, 1353100), (150, 1326038), (175, 1136604), (196, 1014825), (210, 947170), (245, 811860), (294, 676550), (300, 663019), (343, 579900), (350, 568302), (420, 473585), (490, 405930), (525, 378868), (588, 338275), (686, 289950), (700, 284151), (735, 270620), (980, 202965), (1029, 193300), (1050, 189434), (1225, 162372), (1372, 144975), (1470, 135310), (1715, 115980), (1933, 102900), (2058, 96650), (2100, 94717), (2450, 81186), (2940, 67655), (3430, 57990), (3675, 54124), (3866, 51450), (4116, 48325), (4900, 40593), (5145, 38660), (5799, 34300), (6860, 28995), (7350, 27062), (7732, 25725), (8575, 23196), (9665, 20580), (10290, 19330), (11598, 17150), (13531, 14700)]