38840940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 144

約数和(自身を含む): 127501920

約数和(自身を除く): 88660980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 228, 246, 277, 285, 342, 369, 380, 410, 492, 554, 570, 615, 684, 738, 779, 820, 831, 855, 1108, 1140, 1230, 1385, 1476, 1558, 1662, 1710, 1845, 2337, 2460, 2493, 2770, 3116, 3324, 3420, 3690, 3895, 4155, 4674, 4986, 5263, 5540, 7011, 7380, 7790, 8310, 9348, 9972, 10526, 11357, 11685, 12465, 14022, 15580, 15789, 16620, 21052, 22714, 23370, 24930, 26315, 28044, 31578, 34071, 35055, 45428, 46740, 47367, 49860, 52630, 56785, 63156, 68142, 70110, 78945, 94734, 102213, 105260, 113570, 136284, 140220, 157890, 170355, 189468, 204426, 215783, 227140, 236835, 315780, 340710, 408852, 431566, 473670, 511065, 647349, 681420, 863132, 947340, 1022130, 1078915, 1294698, 1942047, 2044260, 2157830, 2589396, 3236745, 3884094, 4315660, 6473490, 7768188, 9710235, 12946980, 19420470, 38840940]

約数ペア:

[(1, 38840940), (2, 19420470), (3, 12946980), (4, 9710235), (5, 7768188), (6, 6473490), (9, 4315660), (10, 3884094), (12, 3236745), (15, 2589396), (18, 2157830), (19, 2044260), (20, 1942047), (30, 1294698), (36, 1078915), (38, 1022130), (41, 947340), (45, 863132), (57, 681420), (60, 647349), (76, 511065), (82, 473670), (90, 431566), (95, 408852), (114, 340710), (123, 315780), (164, 236835), (171, 227140), (180, 215783), (190, 204426), (205, 189468), (228, 170355), (246, 157890), (277, 140220), (285, 136284), (342, 113570), (369, 105260), (380, 102213), (410, 94734), (492, 78945), (554, 70110), (570, 68142), (615, 63156), (684, 56785), (738, 52630), (779, 49860), (820, 47367), (831, 46740), (855, 45428), (1108, 35055), (1140, 34071), (1230, 31578), (1385, 28044), (1476, 26315), (1558, 24930), (1662, 23370), (1710, 22714), (1845, 21052), (2337, 16620), (2460, 15789), (2493, 15580), (2770, 14022), (3116, 12465), (3324, 11685), (3420, 11357), (3690, 10526), (3895, 9972), (4155, 9348), (4674, 8310), (4986, 7790), (5263, 7380), (5540, 7011)]