72668740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 157735872

約数和(自身を除く): 85067132

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 283, 347, 370, 566, 694, 740, 1132, 1388, 1415, 1735, 2830, 3470, 5660, 6940, 10471, 12839, 20942, 25678, 41884, 51356, 52355, 64195, 98201, 104710, 128390, 196402, 209420, 256780, 392804, 491005, 982010, 1964020, 3633437, 7266874, 14533748, 18167185, 36334370, 72668740]

約数ペア:

[(1, 72668740), (2, 36334370), (4, 18167185), (5, 14533748), (10, 7266874), (20, 3633437), (37, 1964020), (74, 982010), (148, 491005), (185, 392804), (283, 256780), (347, 209420), (370, 196402), (566, 128390), (694, 104710), (740, 98201), (1132, 64195), (1388, 52355), (1415, 51356), (1735, 41884), (2830, 25678), (3470, 20942), (5660, 12839), (6940, 10471)]