491718160

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{587}}^1$

素因数の和:920

約数の個数: 80

約数和(自身を含む): 1180299456

約数和(自身を除く): 688581296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 283, 296, 370, 566, 587, 592, 740, 1132, 1174, 1415, 1480, 2264, 2348, 2830, 2935, 2960, 4528, 4696, 5660, 5870, 9392, 10471, 11320, 11740, 20942, 21719, 22640, 23480, 41884, 43438, 46960, 52355, 83768, 86876, 104710, 108595, 166121, 167536, 173752, 209420, 217190, 332242, 347504, 418840, 434380, 664484, 830605, 837680, 868760, 1328968, 1661210, 1737520, 2657936, 3322420, 6146477, 6644840, 12292954, 13289680, 24585908, 30732385, 49171816, 61464770, 98343632, 122929540, 245859080, 491718160]

約数ペア:

[(1, 491718160), (2, 245859080), (4, 122929540), (5, 98343632), (8, 61464770), (10, 49171816), (16, 30732385), (20, 24585908), (37, 13289680), (40, 12292954), (74, 6644840), (80, 6146477), (148, 3322420), (185, 2657936), (283, 1737520), (296, 1661210), (370, 1328968), (566, 868760), (587, 837680), (592, 830605), (740, 664484), (1132, 434380), (1174, 418840), (1415, 347504), (1480, 332242), (2264, 217190), (2348, 209420), (2830, 173752), (2935, 167536), (2960, 166121), (4528, 108595), (4696, 104710), (5660, 86876), (5870, 83768), (9392, 52355), (10471, 46960), (11320, 43438), (11740, 41884), (20942, 23480), (21719, 22640)]