131198800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 338425760

約数和(自身を除く): 207226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 61, 76, 80, 95, 100, 122, 152, 190, 200, 244, 283, 304, 305, 380, 400, 475, 488, 566, 610, 760, 950, 976, 1132, 1159, 1220, 1415, 1520, 1525, 1900, 2264, 2318, 2440, 2830, 3050, 3800, 4528, 4636, 4880, 5377, 5660, 5795, 6100, 7075, 7600, 9272, 10754, 11320, 11590, 12200, 14150, 17263, 18544, 21508, 22640, 23180, 24400, 26885, 28300, 28975, 34526, 43016, 46360, 53770, 56600, 57950, 69052, 86032, 86315, 92720, 107540, 113200, 115900, 134425, 138104, 172630, 215080, 231800, 268850, 276208, 327997, 345260, 430160, 431575, 463600, 537700, 655994, 690520, 863150, 1075400, 1311988, 1381040, 1639985, 1726300, 2150800, 2623976, 3279970, 3452600, 5247952, 6559940, 6905200, 8199925, 13119880, 16399850, 26239760, 32799700, 65599400, 131198800]

約数ペア:

[(1, 131198800), (2, 65599400), (4, 32799700), (5, 26239760), (8, 16399850), (10, 13119880), (16, 8199925), (19, 6905200), (20, 6559940), (25, 5247952), (38, 3452600), (40, 3279970), (50, 2623976), (61, 2150800), (76, 1726300), (80, 1639985), (95, 1381040), (100, 1311988), (122, 1075400), (152, 863150), (190, 690520), (200, 655994), (244, 537700), (283, 463600), (304, 431575), (305, 430160), (380, 345260), (400, 327997), (475, 276208), (488, 268850), (566, 231800), (610, 215080), (760, 172630), (950, 138104), (976, 134425), (1132, 115900), (1159, 113200), (1220, 107540), (1415, 92720), (1520, 86315), (1525, 86032), (1900, 69052), (2264, 57950), (2318, 56600), (2440, 53770), (2830, 46360), (3050, 43016), (3800, 34526), (4528, 28975), (4636, 28300), (4880, 26885), (5377, 24400), (5660, 23180), (5795, 22640), (6100, 21508), (7075, 18544), (7600, 17263), (9272, 14150), (10754, 12200), (11320, 11590)]