198384340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 144

約数和(自身を含む): 536256000

約数和(自身を除く): 337871660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 239, 242, 245, 308, 343, 385, 478, 484, 490, 539, 605, 686, 770, 847, 956, 980, 1078, 1195, 1210, 1372, 1540, 1673, 1694, 1715, 2156, 2390, 2420, 2629, 2695, 3346, 3388, 3430, 3773, 4235, 4780, 5258, 5390, 5929, 6692, 6860, 7546, 8365, 8470, 10516, 10780, 11711, 11858, 13145, 15092, 16730, 16940, 18403, 18865, 23422, 23716, 26290, 28919, 29645, 33460, 36806, 37730, 41503, 46844, 52580, 57838, 58555, 59290, 73612, 75460, 81977, 83006, 92015, 115676, 117110, 118580, 128821, 144595, 163954, 166012, 184030, 202433, 207515, 234220, 257642, 289190, 327908, 368060, 404866, 409885, 415030, 515284, 578380, 644105, 809732, 819770, 830060, 901747, 1012165, 1288210, 1417031, 1639540, 1803494, 2024330, 2576420, 2834062, 3606988, 4048660, 4508735, 5668124, 7085155, 9017470, 9919217, 14170310, 18034940, 19838434, 28340620, 39676868, 49596085, 99192170, 198384340]

約数ペア:

[(1, 198384340), (2, 99192170), (4, 49596085), (5, 39676868), (7, 28340620), (10, 19838434), (11, 18034940), (14, 14170310), (20, 9919217), (22, 9017470), (28, 7085155), (35, 5668124), (44, 4508735), (49, 4048660), (55, 3606988), (70, 2834062), (77, 2576420), (98, 2024330), (110, 1803494), (121, 1639540), (140, 1417031), (154, 1288210), (196, 1012165), (220, 901747), (239, 830060), (242, 819770), (245, 809732), (308, 644105), (343, 578380), (385, 515284), (478, 415030), (484, 409885), (490, 404866), (539, 368060), (605, 327908), (686, 289190), (770, 257642), (847, 234220), (956, 207515), (980, 202433), (1078, 184030), (1195, 166012), (1210, 163954), (1372, 144595), (1540, 128821), (1673, 118580), (1694, 117110), (1715, 115676), (2156, 92015), (2390, 83006), (2420, 81977), (2629, 75460), (2695, 73612), (3346, 59290), (3388, 58555), (3430, 57838), (3773, 52580), (4235, 46844), (4780, 41503), (5258, 37730), (5390, 36806), (5929, 33460), (6692, 29645), (6860, 28919), (7546, 26290), (8365, 23716), (8470, 23422), (10516, 18865), (10780, 18403), (11711, 16940), (11858, 16730), (13145, 15092)]