66728200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 197197200

約数和(自身を除く): 130469000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 140, 154, 175, 196, 200, 220, 245, 275, 280, 308, 350, 385, 392, 440, 490, 539, 550, 616, 619, 700, 770, 980, 1078, 1100, 1225, 1238, 1400, 1540, 1925, 1960, 2156, 2200, 2450, 2476, 2695, 3080, 3095, 3850, 4312, 4333, 4900, 4952, 5390, 6190, 6809, 7700, 8666, 9800, 10780, 12380, 13475, 13618, 15400, 15475, 17332, 21560, 21665, 24760, 26950, 27236, 30331, 30950, 34045, 34664, 43330, 47663, 53900, 54472, 60662, 61900, 68090, 86660, 95326, 107800, 108325, 121324, 123800, 136180, 151655, 170225, 173320, 190652, 216650, 238315, 242648, 272360, 303310, 333641, 340450, 381304, 433300, 476630, 606620, 667282, 680900, 758275, 866600, 953260, 1191575, 1213240, 1334564, 1361800, 1516550, 1668205, 1906520, 2383150, 2669128, 3033100, 3336410, 4766300, 6066200, 6672820, 8341025, 9532600, 13345640, 16682050, 33364100, 66728200]

約数ペア:

[(1, 66728200), (2, 33364100), (4, 16682050), (5, 13345640), (7, 9532600), (8, 8341025), (10, 6672820), (11, 6066200), (14, 4766300), (20, 3336410), (22, 3033100), (25, 2669128), (28, 2383150), (35, 1906520), (40, 1668205), (44, 1516550), (49, 1361800), (50, 1334564), (55, 1213240), (56, 1191575), (70, 953260), (77, 866600), (88, 758275), (98, 680900), (100, 667282), (110, 606620), (140, 476630), (154, 433300), (175, 381304), (196, 340450), (200, 333641), (220, 303310), (245, 272360), (275, 242648), (280, 238315), (308, 216650), (350, 190652), (385, 173320), (392, 170225), (440, 151655), (490, 136180), (539, 123800), (550, 121324), (616, 108325), (619, 107800), (700, 95326), (770, 86660), (980, 68090), (1078, 61900), (1100, 60662), (1225, 54472), (1238, 53900), (1400, 47663), (1540, 43330), (1925, 34664), (1960, 34045), (2156, 30950), (2200, 30331), (2450, 27236), (2476, 26950), (2695, 24760), (3080, 21665), (3095, 21560), (3850, 17332), (4312, 15475), (4333, 15400), (4900, 13618), (4952, 13475), (5390, 12380), (6190, 10780), (6809, 9800), (7700, 8666)]