78107810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 158817024

約数和(自身を除く): 80709214

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 73, 110, 137, 142, 146, 274, 355, 365, 685, 710, 730, 781, 803, 1370, 1507, 1562, 1606, 3014, 3905, 4015, 5183, 7535, 7810, 8030, 9727, 10001, 10366, 15070, 19454, 20002, 25915, 48635, 50005, 51830, 57013, 97270, 100010, 106997, 110011, 114026, 213994, 220022, 285065, 534985, 550055, 570130, 710071, 1069970, 1100110, 1420142, 3550355, 7100710, 7810781, 15621562, 39053905, 78107810]

約数ペア:

[(1, 78107810), (2, 39053905), (5, 15621562), (10, 7810781), (11, 7100710), (22, 3550355), (55, 1420142), (71, 1100110), (73, 1069970), (110, 710071), (137, 570130), (142, 550055), (146, 534985), (274, 285065), (355, 220022), (365, 213994), (685, 114026), (710, 110011), (730, 106997), (781, 100010), (803, 97270), (1370, 57013), (1507, 51830), (1562, 50005), (1606, 48635), (3014, 25915), (3905, 20002), (4015, 19454), (5183, 15070), (7535, 10366), (7810, 10001), (8030, 9727)]