84812140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2339}}^1$

素因数の和:2399

約数の個数: 72

約数和(自身を含む): 212874480

約数和(自身を除く): 128062340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2339, 2590, 3626, 4678, 5180, 7252, 9065, 9356, 11695, 16373, 18130, 23390, 32746, 36260, 46780, 65492, 81865, 86543, 114611, 163730, 173086, 229222, 327460, 346172, 432715, 458444, 573055, 605801, 865430, 1146110, 1211602, 1730860, 2292220, 2423204, 3029005, 4240607, 6058010, 8481214, 12116020, 16962428, 21203035, 42406070, 84812140]

約数ペア:

[(1, 84812140), (2, 42406070), (4, 21203035), (5, 16962428), (7, 12116020), (10, 8481214), (14, 6058010), (20, 4240607), (28, 3029005), (35, 2423204), (37, 2292220), (49, 1730860), (70, 1211602), (74, 1146110), (98, 865430), (140, 605801), (148, 573055), (185, 458444), (196, 432715), (245, 346172), (259, 327460), (370, 229222), (490, 173086), (518, 163730), (740, 114611), (980, 86543), (1036, 81865), (1295, 65492), (1813, 46780), (2339, 36260), (2590, 32746), (3626, 23390), (4678, 18130), (5180, 16373), (7252, 11695), (9065, 9356)]