201997028220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258970549}}^1$

素因数の和:258970574

約数の個数: 48

約数和(自身を含む): 609098733600

約数和(自身を除く): 407101705380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 258970549, 517941098, 776911647, 1035882196, 1294852745, 1553823294, 2589705490, 3107646588, 3366617137, 3884558235, 5179410980, 6733234274, 7769116470, 10099851411, 13466468548, 15538232940, 16833085685, 20199702822, 33666171370, 40399405644, 50499257055, 67332342740, 100998514110, 201997028220]

約数ペア:

[(1, 201997028220), (2, 100998514110), (3, 67332342740), (4, 50499257055), (5, 40399405644), (6, 33666171370), (10, 20199702822), (12, 16833085685), (13, 15538232940), (15, 13466468548), (20, 10099851411), (26, 7769116470), (30, 6733234274), (39, 5179410980), (52, 3884558235), (60, 3366617137), (65, 3107646588), (78, 2589705490), (130, 1553823294), (156, 1294852745), (195, 1035882196), (260, 776911647), (390, 517941098), (780, 258970549)]