20171851890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 49806213120

約数和(自身を除く): 29634361230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 179, 191, 213, 277, 355, 358, 382, 426, 537, 554, 573, 710, 831, 895, 955, 1065, 1074, 1146, 1385, 1662, 1790, 1910, 2130, 2685, 2770, 2865, 4155, 5370, 5730, 8310, 12709, 13561, 19667, 25418, 27122, 34189, 38127, 39334, 40683, 49583, 52907, 59001, 63545, 67805, 68378, 76254, 81366, 98335, 99166, 102567, 105814, 118002, 127090, 135610, 148749, 158721, 170945, 190635, 196670, 203415, 205134, 247915, 264535, 295005, 297498, 317442, 341890, 381270, 406830, 495830, 512835, 529070, 590010, 743745, 793605, 1025670, 1487490, 1587210, 2427419, 3520393, 3756397, 4854838, 7040786, 7282257, 7512794, 9470353, 10561179, 11269191, 12137095, 14564514, 17601965, 18781985, 18940706, 21122358, 22538382, 24274190, 28411059, 35203930, 36411285, 37563970, 47351765, 52805895, 56345955, 56822118, 72822570, 94703530, 105611790, 112691910, 142055295, 284110590, 672395063, 1344790126, 2017185189, 3361975315, 4034370378, 6723950630, 10085925945, 20171851890]

約数ペア:

[(1, 20171851890), (2, 10085925945), (3, 6723950630), (5, 4034370378), (6, 3361975315), (10, 2017185189), (15, 1344790126), (30, 672395063), (71, 284110590), (142, 142055295), (179, 112691910), (191, 105611790), (213, 94703530), (277, 72822570), (355, 56822118), (358, 56345955), (382, 52805895), (426, 47351765), (537, 37563970), (554, 36411285), (573, 35203930), (710, 28411059), (831, 24274190), (895, 22538382), (955, 21122358), (1065, 18940706), (1074, 18781985), (1146, 17601965), (1385, 14564514), (1662, 12137095), (1790, 11269191), (1910, 10561179), (2130, 9470353), (2685, 7512794), (2770, 7282257), (2865, 7040786), (4155, 4854838), (5370, 3756397), (5730, 3520393), (8310, 2427419), (12709, 1587210), (13561, 1487490), (19667, 1025670), (25418, 793605), (27122, 743745), (34189, 590010), (38127, 529070), (39334, 512835), (40683, 495830), (49583, 406830), (52907, 381270), (59001, 341890), (63545, 317442), (67805, 297498), (68378, 295005), (76254, 264535), (81366, 247915), (98335, 205134), (99166, 203415), (102567, 196670), (105814, 190635), (118002, 170945), (127090, 158721), (135610, 148749)]