1704220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 4366656

約数和(自身を除く): 2662436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 47, 49, 70, 74, 94, 98, 140, 148, 185, 188, 196, 235, 245, 259, 329, 370, 470, 490, 518, 658, 740, 940, 980, 1036, 1295, 1316, 1645, 1739, 1813, 2303, 2590, 3290, 3478, 3626, 4606, 5180, 6580, 6956, 7252, 8695, 9065, 9212, 11515, 12173, 17390, 18130, 23030, 24346, 34780, 36260, 46060, 48692, 60865, 85211, 121730, 170422, 243460, 340844, 426055, 852110, 1704220]

約数ペア:

[(1, 1704220), (2, 852110), (4, 426055), (5, 340844), (7, 243460), (10, 170422), (14, 121730), (20, 85211), (28, 60865), (35, 48692), (37, 46060), (47, 36260), (49, 34780), (70, 24346), (74, 23030), (94, 18130), (98, 17390), (140, 12173), (148, 11515), (185, 9212), (188, 9065), (196, 8695), (235, 7252), (245, 6956), (259, 6580), (329, 5180), (370, 4606), (470, 3626), (490, 3478), (518, 3290), (658, 2590), (740, 2303), (940, 1813), (980, 1739), (1036, 1645), (1295, 1316)]