638534970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{827}}^1$

素因数の和:1236

約数の個数: 96

約数和(自身を含む): 1739117952

約数和(自身を除く): 1100582982

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 373, 414, 690, 746, 827, 1035, 1119, 1654, 1865, 2070, 2238, 2481, 3357, 3730, 4135, 4962, 5595, 6714, 7443, 8270, 8579, 11190, 12405, 14886, 16785, 17158, 19021, 24810, 25737, 33570, 37215, 38042, 42895, 51474, 57063, 74430, 77211, 85790, 95105, 114126, 128685, 154422, 171189, 190210, 257370, 285315, 308471, 342378, 386055, 570630, 616942, 772110, 855945, 925413, 1542355, 1711890, 1850826, 2776239, 3084710, 4627065, 5552478, 7094833, 9254130, 13881195, 14189666, 21284499, 27762390, 35474165, 42568998, 63853497, 70948330, 106422495, 127706994, 212844990, 319267485, 638534970]

約数ペア:

[(1, 638534970), (2, 319267485), (3, 212844990), (5, 127706994), (6, 106422495), (9, 70948330), (10, 63853497), (15, 42568998), (18, 35474165), (23, 27762390), (30, 21284499), (45, 14189666), (46, 13881195), (69, 9254130), (90, 7094833), (115, 5552478), (138, 4627065), (207, 3084710), (230, 2776239), (345, 1850826), (373, 1711890), (414, 1542355), (690, 925413), (746, 855945), (827, 772110), (1035, 616942), (1119, 570630), (1654, 386055), (1865, 342378), (2070, 308471), (2238, 285315), (2481, 257370), (3357, 190210), (3730, 171189), (4135, 154422), (4962, 128685), (5595, 114126), (6714, 95105), (7443, 85790), (8270, 77211), (8579, 74430), (11190, 57063), (12405, 51474), (14886, 42895), (16785, 38042), (17158, 37215), (19021, 33570), (24810, 25737)]