229621340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{919}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 537173280

約数和(自身を除く): 307551940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 919, 961, 1612, 1838, 1922, 2015, 3676, 3844, 4030, 4595, 4805, 8060, 9190, 9610, 11947, 12493, 18380, 19220, 23894, 24986, 28489, 47788, 49972, 56978, 59735, 62465, 113956, 119470, 124930, 142445, 238940, 249860, 284890, 370357, 569780, 740714, 883159, 1481428, 1766318, 1851785, 3532636, 3703570, 4415795, 7407140, 8831590, 11481067, 17663180, 22962134, 45924268, 57405335, 114810670, 229621340]

約数ペア:

[(1, 229621340), (2, 114810670), (4, 57405335), (5, 45924268), (10, 22962134), (13, 17663180), (20, 11481067), (26, 8831590), (31, 7407140), (52, 4415795), (62, 3703570), (65, 3532636), (124, 1851785), (130, 1766318), (155, 1481428), (260, 883159), (310, 740714), (403, 569780), (620, 370357), (806, 284890), (919, 249860), (961, 238940), (1612, 142445), (1838, 124930), (1922, 119470), (2015, 113956), (3676, 62465), (3844, 59735), (4030, 56978), (4595, 49972), (4805, 47788), (8060, 28489), (9190, 24986), (9610, 23894), (11947, 19220), (12493, 18380)]