42840820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 106485120

約数和(自身を除く): 63644300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 148, 185, 190, 209, 220, 277, 370, 380, 407, 418, 554, 703, 740, 814, 836, 1045, 1108, 1385, 1406, 1628, 2035, 2090, 2770, 2812, 3047, 3515, 4070, 4180, 5263, 5540, 6094, 7030, 7733, 8140, 10249, 10526, 12188, 14060, 15235, 15466, 20498, 21052, 26315, 30470, 30932, 38665, 40996, 51245, 52630, 57893, 60940, 77330, 102490, 105260, 112739, 115786, 154660, 194731, 204980, 225478, 231572, 289465, 389462, 450956, 563695, 578930, 778924, 973655, 1127390, 1157860, 1947310, 2142041, 2254780, 3894620, 4284082, 8568164, 10710205, 21420410, 42840820]

約数ペア:

[(1, 42840820), (2, 21420410), (4, 10710205), (5, 8568164), (10, 4284082), (11, 3894620), (19, 2254780), (20, 2142041), (22, 1947310), (37, 1157860), (38, 1127390), (44, 973655), (55, 778924), (74, 578930), (76, 563695), (95, 450956), (110, 389462), (148, 289465), (185, 231572), (190, 225478), (209, 204980), (220, 194731), (277, 154660), (370, 115786), (380, 112739), (407, 105260), (418, 102490), (554, 77330), (703, 60940), (740, 57893), (814, 52630), (836, 51245), (1045, 40996), (1108, 38665), (1385, 30932), (1406, 30470), (1628, 26315), (2035, 21052), (2090, 20498), (2770, 15466), (2812, 15235), (3047, 14060), (3515, 12188), (4070, 10526), (4180, 10249), (5263, 8140), (5540, 7733), (6094, 7030)]