31400700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 98993664

約数和(自身を除く): 67592964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 47, 50, 51, 60, 68, 75, 85, 94, 100, 102, 131, 141, 150, 170, 188, 204, 235, 255, 262, 282, 300, 340, 393, 425, 470, 510, 524, 564, 655, 705, 786, 799, 850, 940, 1020, 1175, 1275, 1310, 1410, 1572, 1598, 1700, 1965, 2227, 2350, 2397, 2550, 2620, 2820, 3196, 3275, 3525, 3930, 3995, 4454, 4700, 4794, 5100, 6157, 6550, 6681, 7050, 7860, 7990, 8908, 9588, 9825, 11135, 11985, 12314, 13100, 13362, 14100, 15980, 18471, 19650, 19975, 22270, 23970, 24628, 26724, 30785, 33405, 36942, 39300, 39950, 44540, 47940, 55675, 59925, 61570, 66810, 73884, 79900, 92355, 104669, 111350, 119850, 123140, 133620, 153925, 167025, 184710, 209338, 222700, 239700, 307850, 314007, 334050, 369420, 418676, 461775, 523345, 615700, 628014, 668100, 923550, 1046690, 1256028, 1570035, 1847100, 2093380, 2616725, 3140070, 5233450, 6280140, 7850175, 10466900, 15700350, 31400700]

約数ペア:

[(1, 31400700), (2, 15700350), (3, 10466900), (4, 7850175), (5, 6280140), (6, 5233450), (10, 3140070), (12, 2616725), (15, 2093380), (17, 1847100), (20, 1570035), (25, 1256028), (30, 1046690), (34, 923550), (47, 668100), (50, 628014), (51, 615700), (60, 523345), (68, 461775), (75, 418676), (85, 369420), (94, 334050), (100, 314007), (102, 307850), (131, 239700), (141, 222700), (150, 209338), (170, 184710), (188, 167025), (204, 153925), (235, 133620), (255, 123140), (262, 119850), (282, 111350), (300, 104669), (340, 92355), (393, 79900), (425, 73884), (470, 66810), (510, 61570), (524, 59925), (564, 55675), (655, 47940), (705, 44540), (786, 39950), (799, 39300), (850, 36942), (940, 33405), (1020, 30785), (1175, 26724), (1275, 24628), (1310, 23970), (1410, 22270), (1572, 19975), (1598, 19650), (1700, 18471), (1965, 15980), (2227, 14100), (2350, 13362), (2397, 13100), (2550, 12314), (2620, 11985), (2820, 11135), (3196, 9825), (3275, 9588), (3525, 8908), (3930, 7990), (3995, 7860), (4454, 7050), (4700, 6681), (4794, 6550), (5100, 6157)]