215420100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5442

約数の個数: 144

約数和(自身を含む): 749952000

約数和(自身を除く): 534531900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 1050, 1140, 1330, 1425, 1596, 1900, 1995, 2100, 2660, 2850, 3325, 3990, 5399, 5700, 6650, 7980, 9975, 10798, 13300, 16197, 19950, 21596, 26995, 32394, 37793, 39900, 53990, 64788, 75586, 80985, 102581, 107980, 113379, 134975, 151172, 161970, 188965, 205162, 226758, 269950, 307743, 323940, 377930, 404925, 410324, 453516, 512905, 539900, 566895, 615486, 718067, 755860, 809850, 944825, 1025810, 1133790, 1230972, 1436134, 1538715, 1619700, 1889650, 2051620, 2154201, 2267580, 2564525, 2834475, 2872268, 3077430, 3590335, 3779300, 4308402, 5129050, 5668950, 6154860, 7180670, 7693575, 8616804, 10258100, 10771005, 11337900, 14361340, 15387150, 17951675, 21542010, 30774300, 35903350, 43084020, 53855025, 71806700, 107710050, 215420100]

約数ペア:

[(1, 215420100), (2, 107710050), (3, 71806700), (4, 53855025), (5, 43084020), (6, 35903350), (7, 30774300), (10, 21542010), (12, 17951675), (14, 15387150), (15, 14361340), (19, 11337900), (20, 10771005), (21, 10258100), (25, 8616804), (28, 7693575), (30, 7180670), (35, 6154860), (38, 5668950), (42, 5129050), (50, 4308402), (57, 3779300), (60, 3590335), (70, 3077430), (75, 2872268), (76, 2834475), (84, 2564525), (95, 2267580), (100, 2154201), (105, 2051620), (114, 1889650), (133, 1619700), (140, 1538715), (150, 1436134), (175, 1230972), (190, 1133790), (210, 1025810), (228, 944825), (266, 809850), (285, 755860), (300, 718067), (350, 615486), (380, 566895), (399, 539900), (420, 512905), (475, 453516), (525, 410324), (532, 404925), (570, 377930), (665, 323940), (700, 307743), (798, 269950), (950, 226758), (1050, 205162), (1140, 188965), (1330, 161970), (1425, 151172), (1596, 134975), (1900, 113379), (1995, 107980), (2100, 102581), (2660, 80985), (2850, 75586), (3325, 64788), (3990, 53990), (5399, 39900), (5700, 37793), (6650, 32394), (7980, 26995), (9975, 21596), (10798, 19950), (13300, 16197)]