169983940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 423360000

約数和(自身を除く): 253376060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 343, 349, 355, 490, 497, 686, 698, 710, 980, 994, 1372, 1396, 1420, 1715, 1745, 1988, 2443, 2485, 3430, 3479, 3490, 4886, 4970, 6860, 6958, 6980, 9772, 9940, 12215, 13916, 17101, 17395, 24353, 24430, 24779, 34202, 34790, 48706, 48860, 49558, 68404, 69580, 85505, 97412, 99116, 119707, 121765, 123895, 171010, 173453, 239414, 243530, 247790, 342020, 346906, 478828, 487060, 495580, 598535, 693812, 867265, 1197070, 1214171, 1734530, 2394140, 2428342, 3469060, 4856684, 6070855, 8499197, 12141710, 16998394, 24283420, 33996788, 42495985, 84991970, 169983940]

約数ペア:

[(1, 169983940), (2, 84991970), (4, 42495985), (5, 33996788), (7, 24283420), (10, 16998394), (14, 12141710), (20, 8499197), (28, 6070855), (35, 4856684), (49, 3469060), (70, 2428342), (71, 2394140), (98, 1734530), (140, 1214171), (142, 1197070), (196, 867265), (245, 693812), (284, 598535), (343, 495580), (349, 487060), (355, 478828), (490, 346906), (497, 342020), (686, 247790), (698, 243530), (710, 239414), (980, 173453), (994, 171010), (1372, 123895), (1396, 121765), (1420, 119707), (1715, 99116), (1745, 97412), (1988, 85505), (2443, 69580), (2485, 68404), (3430, 49558), (3479, 48860), (3490, 48706), (4886, 34790), (4970, 34202), (6860, 24779), (6958, 24430), (6980, 24353), (9772, 17395), (9940, 17101), (12215, 13916)]