1291214700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{997}}^1\times {\mathrm{1439}}^1$

素因数の和:2456

約数の個数: 108

約数和(自身を含む): 4054115520

約数和(自身を除く): 2762900820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 997, 1439, 1994, 2878, 2991, 3988, 4317, 4985, 5756, 5982, 7195, 8634, 8973, 9970, 11964, 12951, 14390, 14955, 17268, 17946, 19940, 21585, 24925, 25902, 28780, 29910, 35892, 35975, 43170, 44865, 49850, 51804, 59820, 64755, 71950, 74775, 86340, 89730, 99700, 107925, 129510, 143900, 149550, 179460, 215850, 224325, 259020, 299100, 323775, 431700, 448650, 647550, 897300, 1295100, 1434683, 2869366, 4304049, 5738732, 7173415, 8608098, 12912147, 14346830, 17216196, 21520245, 25824294, 28693660, 35867075, 43040490, 51648588, 64560735, 71734150, 86080980, 107601225, 129121470, 143468300, 215202450, 258242940, 322803675, 430404900, 645607350, 1291214700]

約数ペア:

[(1, 1291214700), (2, 645607350), (3, 430404900), (4, 322803675), (5, 258242940), (6, 215202450), (9, 143468300), (10, 129121470), (12, 107601225), (15, 86080980), (18, 71734150), (20, 64560735), (25, 51648588), (30, 43040490), (36, 35867075), (45, 28693660), (50, 25824294), (60, 21520245), (75, 17216196), (90, 14346830), (100, 12912147), (150, 8608098), (180, 7173415), (225, 5738732), (300, 4304049), (450, 2869366), (900, 1434683), (997, 1295100), (1439, 897300), (1994, 647550), (2878, 448650), (2991, 431700), (3988, 323775), (4317, 299100), (4985, 259020), (5756, 224325), (5982, 215850), (7195, 179460), (8634, 149550), (8973, 143900), (9970, 129510), (11964, 107925), (12951, 99700), (14390, 89730), (14955, 86340), (17268, 74775), (17946, 71950), (19940, 64755), (21585, 59820), (24925, 51804), (25902, 49850), (28780, 44865), (29910, 43170), (35892, 35975)]