2021686890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:476

約数の個数: 128

約数和(自身を含む): 5173217280

約数和(自身を除く): 3151530390

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 107, 115, 138, 139, 197, 214, 230, 278, 321, 345, 394, 417, 535, 591, 642, 690, 695, 834, 985, 1070, 1182, 1390, 1605, 1970, 2085, 2461, 2955, 3197, 3210, 4170, 4531, 4922, 5910, 6394, 7383, 9062, 9591, 12305, 13593, 14766, 14873, 15985, 19182, 21079, 22655, 24610, 27186, 27383, 29746, 31970, 36915, 42158, 44619, 45310, 47955, 54766, 63237, 67965, 73830, 74365, 82149, 89238, 95910, 105395, 126474, 135930, 136915, 148730, 164298, 210790, 223095, 273830, 316185, 342079, 410745, 446190, 484817, 629809, 632370, 684158, 821490, 969634, 1026237, 1259618, 1454451, 1710395, 1889427, 2052474, 2424085, 2908902, 2929981, 3149045, 3420790, 3778854, 4848170, 5131185, 5859962, 6298090, 7272255, 8789943, 9447135, 10262370, 14544510, 14649905, 17579886, 18894270, 29299810, 43949715, 67389563, 87899430, 134779126, 202168689, 336947815, 404337378, 673895630, 1010843445, 2021686890]

約数ペア:

[(1, 2021686890), (2, 1010843445), (3, 673895630), (5, 404337378), (6, 336947815), (10, 202168689), (15, 134779126), (23, 87899430), (30, 67389563), (46, 43949715), (69, 29299810), (107, 18894270), (115, 17579886), (138, 14649905), (139, 14544510), (197, 10262370), (214, 9447135), (230, 8789943), (278, 7272255), (321, 6298090), (345, 5859962), (394, 5131185), (417, 4848170), (535, 3778854), (591, 3420790), (642, 3149045), (690, 2929981), (695, 2908902), (834, 2424085), (985, 2052474), (1070, 1889427), (1182, 1710395), (1390, 1454451), (1605, 1259618), (1970, 1026237), (2085, 969634), (2461, 821490), (2955, 684158), (3197, 632370), (3210, 629809), (4170, 484817), (4531, 446190), (4922, 410745), (5910, 342079), (6394, 316185), (7383, 273830), (9062, 223095), (9591, 210790), (12305, 164298), (13593, 148730), (14766, 136915), (14873, 135930), (15985, 126474), (19182, 105395), (21079, 95910), (22655, 89238), (24610, 82149), (27186, 74365), (27383, 73830), (29746, 67965), (31970, 63237), (36915, 54766), (42158, 47955), (44619, 45310)]