197323980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1704

約数の個数: 144

約数和(自身を含む): 658790496

約数和(自身を除く): 461466516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 196, 205, 210, 245, 246, 287, 294, 410, 420, 490, 492, 574, 588, 615, 735, 820, 861, 980, 1148, 1230, 1435, 1470, 1637, 1722, 2009, 2460, 2870, 2940, 3274, 3444, 4018, 4305, 4911, 5740, 6027, 6548, 8036, 8185, 8610, 9822, 10045, 11459, 12054, 16370, 17220, 19644, 20090, 22918, 24108, 24555, 30135, 32740, 34377, 40180, 45836, 49110, 57295, 60270, 67117, 68754, 80213, 98220, 114590, 120540, 134234, 137508, 160426, 171885, 201351, 229180, 240639, 268468, 320852, 335585, 343770, 401065, 402702, 469819, 481278, 671170, 687540, 802130, 805404, 939638, 962556, 1006755, 1203195, 1342340, 1409457, 1604260, 1879276, 2013510, 2349095, 2406390, 2818914, 3288733, 4027020, 4698190, 4812780, 5637828, 6577466, 7047285, 9396380, 9866199, 13154932, 14094570, 16443665, 19732398, 28189140, 32887330, 39464796, 49330995, 65774660, 98661990, 197323980]

約数ペア:

[(1, 197323980), (2, 98661990), (3, 65774660), (4, 49330995), (5, 39464796), (6, 32887330), (7, 28189140), (10, 19732398), (12, 16443665), (14, 14094570), (15, 13154932), (20, 9866199), (21, 9396380), (28, 7047285), (30, 6577466), (35, 5637828), (41, 4812780), (42, 4698190), (49, 4027020), (60, 3288733), (70, 2818914), (82, 2406390), (84, 2349095), (98, 2013510), (105, 1879276), (123, 1604260), (140, 1409457), (147, 1342340), (164, 1203195), (196, 1006755), (205, 962556), (210, 939638), (245, 805404), (246, 802130), (287, 687540), (294, 671170), (410, 481278), (420, 469819), (490, 402702), (492, 401065), (574, 343770), (588, 335585), (615, 320852), (735, 268468), (820, 240639), (861, 229180), (980, 201351), (1148, 171885), (1230, 160426), (1435, 137508), (1470, 134234), (1637, 120540), (1722, 114590), (2009, 98220), (2460, 80213), (2870, 68754), (2940, 67117), (3274, 60270), (3444, 57295), (4018, 49110), (4305, 45836), (4911, 40180), (5740, 34377), (6027, 32740), (6548, 30135), (8036, 24555), (8185, 24108), (8610, 22918), (9822, 20090), (10045, 19644), (11459, 17220), (12054, 16370)]