488190320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 1170728640

約数和(自身を除く): 682538320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 71, 80, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 976, 1136, 1220, 1409, 1420, 2440, 2818, 2840, 4331, 4880, 5636, 5680, 7045, 8662, 11272, 14090, 17324, 21655, 22544, 28180, 34648, 43310, 56360, 69296, 85949, 86620, 100039, 112720, 171898, 173240, 200078, 343796, 346480, 400156, 429745, 500195, 687592, 800312, 859490, 1000390, 1375184, 1600624, 1718980, 2000780, 3437960, 4001560, 6102379, 6875920, 8003120, 12204758, 24409516, 30511895, 48819032, 61023790, 97638064, 122047580, 244095160, 488190320]

約数ペア:

[(1, 488190320), (2, 244095160), (4, 122047580), (5, 97638064), (8, 61023790), (10, 48819032), (16, 30511895), (20, 24409516), (40, 12204758), (61, 8003120), (71, 6875920), (80, 6102379), (122, 4001560), (142, 3437960), (244, 2000780), (284, 1718980), (305, 1600624), (355, 1375184), (488, 1000390), (568, 859490), (610, 800312), (710, 687592), (976, 500195), (1136, 429745), (1220, 400156), (1409, 346480), (1420, 343796), (2440, 200078), (2818, 173240), (2840, 171898), (4331, 112720), (4880, 100039), (5636, 86620), (5680, 85949), (7045, 69296), (8662, 56360), (11272, 43310), (14090, 34648), (17324, 28180), (21655, 22544)]