31145700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 98993664

約数和(自身を除く): 67847964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 150, 155, 170, 186, 197, 204, 255, 300, 310, 340, 372, 394, 425, 465, 510, 527, 591, 620, 775, 788, 850, 930, 985, 1020, 1054, 1182, 1275, 1550, 1581, 1700, 1860, 1970, 2108, 2325, 2364, 2550, 2635, 2955, 3100, 3162, 3349, 3940, 4650, 4925, 5100, 5270, 5910, 6107, 6324, 6698, 7905, 9300, 9850, 10047, 10540, 11820, 12214, 13175, 13396, 14775, 15810, 16745, 18321, 19700, 20094, 24428, 26350, 29550, 30535, 31620, 33490, 36642, 39525, 40188, 50235, 52700, 59100, 61070, 66980, 73284, 79050, 83725, 91605, 100470, 103819, 122140, 152675, 158100, 167450, 183210, 200940, 207638, 251175, 305350, 311457, 334900, 366420, 415276, 458025, 502350, 519095, 610700, 622914, 916050, 1004700, 1038190, 1245828, 1557285, 1832100, 2076380, 2595475, 3114570, 5190950, 6229140, 7786425, 10381900, 15572850, 31145700]

約数ペア:

[(1, 31145700), (2, 15572850), (3, 10381900), (4, 7786425), (5, 6229140), (6, 5190950), (10, 3114570), (12, 2595475), (15, 2076380), (17, 1832100), (20, 1557285), (25, 1245828), (30, 1038190), (31, 1004700), (34, 916050), (50, 622914), (51, 610700), (60, 519095), (62, 502350), (68, 458025), (75, 415276), (85, 366420), (93, 334900), (100, 311457), (102, 305350), (124, 251175), (150, 207638), (155, 200940), (170, 183210), (186, 167450), (197, 158100), (204, 152675), (255, 122140), (300, 103819), (310, 100470), (340, 91605), (372, 83725), (394, 79050), (425, 73284), (465, 66980), (510, 61070), (527, 59100), (591, 52700), (620, 50235), (775, 40188), (788, 39525), (850, 36642), (930, 33490), (985, 31620), (1020, 30535), (1054, 29550), (1182, 26350), (1275, 24428), (1550, 20094), (1581, 19700), (1700, 18321), (1860, 16745), (1970, 15810), (2108, 14775), (2325, 13396), (2364, 13175), (2550, 12214), (2635, 11820), (2955, 10540), (3100, 10047), (3162, 9850), (3349, 9300), (3940, 7905), (4650, 6698), (4925, 6324), (5100, 6107), (5270, 5910)]