71323420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 180028800

約数和(自身を除く): 108705380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 281, 343, 370, 490, 518, 562, 686, 740, 980, 1036, 1124, 1295, 1372, 1405, 1715, 1813, 1967, 2590, 2810, 3430, 3626, 3934, 5180, 5620, 6860, 7252, 7868, 9065, 9835, 10397, 12691, 13769, 18130, 19670, 20794, 25382, 27538, 36260, 39340, 41588, 50764, 51985, 55076, 63455, 68845, 72779, 96383, 103970, 126910, 137690, 145558, 192766, 207940, 253820, 275380, 291116, 363895, 385532, 481915, 509453, 727790, 963830, 1018906, 1455580, 1927660, 2037812, 2547265, 3566171, 5094530, 7132342, 10189060, 14264684, 17830855, 35661710, 71323420]

約数ペア:

[(1, 71323420), (2, 35661710), (4, 17830855), (5, 14264684), (7, 10189060), (10, 7132342), (14, 5094530), (20, 3566171), (28, 2547265), (35, 2037812), (37, 1927660), (49, 1455580), (70, 1018906), (74, 963830), (98, 727790), (140, 509453), (148, 481915), (185, 385532), (196, 363895), (245, 291116), (259, 275380), (281, 253820), (343, 207940), (370, 192766), (490, 145558), (518, 137690), (562, 126910), (686, 103970), (740, 96383), (980, 72779), (1036, 68845), (1124, 63455), (1295, 55076), (1372, 51985), (1405, 50764), (1715, 41588), (1813, 39340), (1967, 36260), (2590, 27538), (2810, 25382), (3430, 20794), (3626, 19670), (3934, 18130), (5180, 13769), (5620, 12691), (6860, 10397), (7252, 9835), (7868, 9065)]