2912455140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{990631}}^1$

素因数の和:990657

約数の個数: 72

約数和(自身を含む): 9486292032

約数和(自身を除く): 6573836892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 990631, 1981262, 2971893, 3962524, 4953155, 5943786, 6934417, 9906310, 11887572, 13868834, 14859465, 19812620, 20803251, 27737668, 29718930, 34672085, 41606502, 48540919, 59437860, 69344170, 83213004, 97081838, 104016255, 138688340, 145622757, 194163676, 208032510, 242704595, 291245514, 416065020, 485409190, 582491028, 728113785, 970818380, 1456227570, 2912455140]

約数ペア:

[(1, 2912455140), (2, 1456227570), (3, 970818380), (4, 728113785), (5, 582491028), (6, 485409190), (7, 416065020), (10, 291245514), (12, 242704595), (14, 208032510), (15, 194163676), (20, 145622757), (21, 138688340), (28, 104016255), (30, 97081838), (35, 83213004), (42, 69344170), (49, 59437860), (60, 48540919), (70, 41606502), (84, 34672085), (98, 29718930), (105, 27737668), (140, 20803251), (147, 19812620), (196, 14859465), (210, 13868834), (245, 11887572), (294, 9906310), (420, 6934417), (490, 5943786), (588, 4953155), (735, 3962524), (980, 2971893), (1470, 1981262), (2940, 990631)]