19695900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 66495744

約数和(自身を除く): 46799844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 83, 84, 100, 105, 113, 140, 150, 166, 175, 210, 226, 249, 300, 332, 339, 350, 415, 420, 452, 498, 525, 565, 581, 678, 700, 791, 830, 996, 1050, 1130, 1162, 1245, 1356, 1582, 1660, 1695, 1743, 2075, 2100, 2260, 2324, 2373, 2490, 2825, 2905, 3164, 3390, 3486, 3955, 4150, 4746, 4980, 5650, 5810, 6225, 6780, 6972, 7910, 8300, 8475, 8715, 9379, 9492, 11300, 11620, 11865, 12450, 14525, 15820, 16950, 17430, 18758, 19775, 23730, 24900, 28137, 29050, 33900, 34860, 37516, 39550, 43575, 46895, 47460, 56274, 58100, 59325, 65653, 79100, 87150, 93790, 112548, 118650, 131306, 140685, 174300, 187580, 196959, 234475, 237300, 262612, 281370, 328265, 393918, 468950, 562740, 656530, 703425, 787836, 937900, 984795, 1313060, 1406850, 1641325, 1969590, 2813700, 3282650, 3939180, 4923975, 6565300, 9847950, 19695900]

約数ペア:

[(1, 19695900), (2, 9847950), (3, 6565300), (4, 4923975), (5, 3939180), (6, 3282650), (7, 2813700), (10, 1969590), (12, 1641325), (14, 1406850), (15, 1313060), (20, 984795), (21, 937900), (25, 787836), (28, 703425), (30, 656530), (35, 562740), (42, 468950), (50, 393918), (60, 328265), (70, 281370), (75, 262612), (83, 237300), (84, 234475), (100, 196959), (105, 187580), (113, 174300), (140, 140685), (150, 131306), (166, 118650), (175, 112548), (210, 93790), (226, 87150), (249, 79100), (300, 65653), (332, 59325), (339, 58100), (350, 56274), (415, 47460), (420, 46895), (452, 43575), (498, 39550), (525, 37516), (565, 34860), (581, 33900), (678, 29050), (700, 28137), (791, 24900), (830, 23730), (996, 19775), (1050, 18758), (1130, 17430), (1162, 16950), (1245, 15820), (1356, 14525), (1582, 12450), (1660, 11865), (1695, 11620), (1743, 11300), (2075, 9492), (2100, 9379), (2260, 8715), (2324, 8475), (2373, 8300), (2490, 7910), (2825, 6972), (2905, 6780), (3164, 6225), (3390, 5810), (3486, 5650), (3955, 4980), (4150, 4746)]