669099500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 1514612736

約数和(自身を除く): 845513236

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 127, 164, 205, 250, 254, 257, 410, 500, 508, 514, 635, 820, 1025, 1028, 1270, 1285, 2050, 2540, 2570, 3175, 4100, 5125, 5140, 5207, 6350, 6425, 10250, 10414, 10537, 12700, 12850, 15875, 20500, 20828, 21074, 25700, 26035, 31750, 32125, 32639, 42148, 52070, 52685, 63500, 64250, 65278, 104140, 105370, 128500, 130175, 130556, 163195, 210740, 260350, 263425, 326390, 520700, 526850, 650875, 652780, 815975, 1053700, 1301750, 1317125, 1338199, 1631950, 2603500, 2634250, 2676398, 3263900, 4079875, 5268500, 5352796, 6690995, 8159750, 13381990, 16319500, 26763980, 33454975, 66909950, 133819900, 167274875, 334549750, 669099500]

約数ペア:

[(1, 669099500), (2, 334549750), (4, 167274875), (5, 133819900), (10, 66909950), (20, 33454975), (25, 26763980), (41, 16319500), (50, 13381990), (82, 8159750), (100, 6690995), (125, 5352796), (127, 5268500), (164, 4079875), (205, 3263900), (250, 2676398), (254, 2634250), (257, 2603500), (410, 1631950), (500, 1338199), (508, 1317125), (514, 1301750), (635, 1053700), (820, 815975), (1025, 652780), (1028, 650875), (1270, 526850), (1285, 520700), (2050, 326390), (2540, 263425), (2570, 260350), (3175, 210740), (4100, 163195), (5125, 130556), (5140, 130175), (5207, 128500), (6350, 105370), (6425, 104140), (10250, 65278), (10414, 64250), (10537, 63500), (12700, 52685), (12850, 52070), (15875, 42148), (20500, 32639), (20828, 32125), (21074, 31750), (25700, 26035)]