7201999875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{733}}^1$

素因数の和:974

約数の個数: 128

約数和(自身を含む): 14509946880

約数和(自身を除く): 7307947005

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 125, 133, 175, 197, 285, 375, 399, 475, 525, 591, 665, 733, 875, 985, 1379, 1425, 1995, 2199, 2375, 2625, 2955, 3325, 3665, 3743, 4137, 4925, 5131, 6895, 7125, 9975, 10995, 11229, 13927, 14775, 15393, 16625, 18325, 18715, 20685, 24625, 25655, 26201, 34475, 41781, 49875, 54975, 56145, 69635, 73875, 76965, 78603, 91625, 93575, 97489, 103425, 128275, 131005, 144401, 172375, 208905, 274875, 280725, 292467, 348175, 384825, 393015, 433203, 467875, 487445, 517125, 641375, 655025, 722005, 1010807, 1044525, 1403625, 1462335, 1740875, 1924125, 1965075, 2166015, 2437225, 2743619, 3032421, 3275125, 3610025, 5054035, 5222625, 7311675, 8230857, 9825375, 10830075, 12186125, 13718095, 15162105, 18050125, 19205333, 25270175, 36558375, 41154285, 54150375, 57615999, 68590475, 75810525, 96026665, 126350875, 205771425, 288079995, 342952375, 379052625, 480133325, 1028857125, 1440399975, 2400666625, 7201999875]

約数ペア:

[(1, 7201999875), (3, 2400666625), (5, 1440399975), (7, 1028857125), (15, 480133325), (19, 379052625), (21, 342952375), (25, 288079995), (35, 205771425), (57, 126350875), (75, 96026665), (95, 75810525), (105, 68590475), (125, 57615999), (133, 54150375), (175, 41154285), (197, 36558375), (285, 25270175), (375, 19205333), (399, 18050125), (475, 15162105), (525, 13718095), (591, 12186125), (665, 10830075), (733, 9825375), (875, 8230857), (985, 7311675), (1379, 5222625), (1425, 5054035), (1995, 3610025), (2199, 3275125), (2375, 3032421), (2625, 2743619), (2955, 2437225), (3325, 2166015), (3665, 1965075), (3743, 1924125), (4137, 1740875), (4925, 1462335), (5131, 1403625), (6895, 1044525), (7125, 1010807), (9975, 722005), (10995, 655025), (11229, 641375), (13927, 517125), (14775, 487445), (15393, 467875), (16625, 433203), (18325, 393015), (18715, 384825), (20685, 348175), (24625, 292467), (25655, 280725), (26201, 274875), (34475, 208905), (41781, 172375), (49875, 144401), (54975, 131005), (56145, 128275), (69635, 103425), (73875, 97489), (76965, 93575), (78603, 91625)]