308045146840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1778141}}^1$

素因数の和:1778284

約数の個数: 64

約数和(自身を含む): 714386329920

約数和(自身を除く): 406341183080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 1220, 1420, 2440, 2840, 4331, 8662, 17324, 21655, 34648, 43310, 86620, 173240, 1778141, 3556282, 7112564, 8890705, 14225128, 17781410, 35562820, 71125640, 108466601, 126248011, 216933202, 252496022, 433866404, 504992044, 542333005, 631240055, 867732808, 1009984088, 1084666010, 1262480110, 2169332020, 2524960220, 4338664040, 5049920440, 7701128671, 15402257342, 30804514684, 38505643355, 61609029368, 77011286710, 154022573420, 308045146840]

約数ペア:

[(1, 308045146840), (2, 154022573420), (4, 77011286710), (5, 61609029368), (8, 38505643355), (10, 30804514684), (20, 15402257342), (40, 7701128671), (61, 5049920440), (71, 4338664040), (122, 2524960220), (142, 2169332020), (244, 1262480110), (284, 1084666010), (305, 1009984088), (355, 867732808), (488, 631240055), (568, 542333005), (610, 504992044), (710, 433866404), (1220, 252496022), (1420, 216933202), (2440, 126248011), (2840, 108466601), (4331, 71125640), (8662, 35562820), (17324, 17781410), (21655, 14225128), (34648, 8890705), (43310, 7112564), (86620, 3556282), (173240, 1778141)]