858985250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1301}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 1706140800

約数和(自身を除く): 847155550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 139, 190, 250, 278, 475, 695, 950, 1301, 1390, 2375, 2602, 2641, 3475, 4750, 5282, 6505, 6950, 13010, 13205, 17375, 24719, 26410, 32525, 34750, 49438, 65050, 66025, 123595, 132050, 162625, 180839, 247190, 325250, 330125, 361678, 617975, 660250, 904195, 1235950, 1808390, 3089875, 3435941, 4520975, 6179750, 6871882, 9041950, 17179705, 22604875, 34359410, 45209750, 85898525, 171797050, 429492625, 858985250]

約数ペア:

[(1, 858985250), (2, 429492625), (5, 171797050), (10, 85898525), (19, 45209750), (25, 34359410), (38, 22604875), (50, 17179705), (95, 9041950), (125, 6871882), (139, 6179750), (190, 4520975), (250, 3435941), (278, 3089875), (475, 1808390), (695, 1235950), (950, 904195), (1301, 660250), (1390, 617975), (2375, 361678), (2602, 330125), (2641, 325250), (3475, 247190), (4750, 180839), (5282, 162625), (6505, 132050), (6950, 123595), (13010, 66025), (13205, 65050), (17375, 49438), (24719, 34750), (26410, 32525)]