210326620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 517448736

約数和(自身を除く): 307122116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1367, 1570, 2198, 2734, 3140, 4396, 5468, 5495, 6835, 7693, 9569, 10990, 13670, 15386, 19138, 21980, 27340, 30772, 38276, 38465, 47845, 66983, 76930, 95690, 133966, 153860, 191380, 214619, 267932, 334915, 429238, 669830, 858476, 1073095, 1339660, 1502333, 2146190, 3004666, 4292380, 6009332, 7511665, 10516331, 15023330, 21032662, 30046660, 42065324, 52581655, 105163310, 210326620]

約数ペア:

[(1, 210326620), (2, 105163310), (4, 52581655), (5, 42065324), (7, 30046660), (10, 21032662), (14, 15023330), (20, 10516331), (28, 7511665), (35, 6009332), (49, 4292380), (70, 3004666), (98, 2146190), (140, 1502333), (157, 1339660), (196, 1073095), (245, 858476), (314, 669830), (490, 429238), (628, 334915), (785, 267932), (980, 214619), (1099, 191380), (1367, 153860), (1570, 133966), (2198, 95690), (2734, 76930), (3140, 66983), (4396, 47845), (5468, 38465), (5495, 38276), (6835, 30772), (7693, 27340), (9569, 21980), (10990, 19138), (13670, 15386)]