900996940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 2180872512

約数和(自身を除く): 1279875572

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 29, 34, 46, 58, 68, 85, 92, 115, 116, 137, 145, 170, 230, 274, 290, 340, 391, 460, 493, 548, 580, 667, 685, 782, 841, 986, 1334, 1370, 1564, 1682, 1955, 1972, 2329, 2465, 2668, 2740, 3151, 3335, 3364, 3910, 3973, 4205, 4658, 4930, 6302, 6670, 7820, 7946, 8410, 9316, 9860, 11339, 11645, 12604, 13340, 14297, 15755, 15892, 16820, 19343, 19865, 22678, 23290, 28594, 31510, 38686, 39730, 45356, 46580, 53567, 56695, 57188, 63020, 67541, 71485, 77372, 79460, 91379, 96715, 107134, 113390, 115217, 135082, 142970, 182758, 193430, 214268, 226780, 230434, 267835, 270164, 285940, 328831, 337705, 365516, 386860, 456895, 460868, 535670, 576085, 657662, 675410, 913790, 1071340, 1152170, 1315324, 1350820, 1553443, 1644155, 1827580, 1958689, 2304340, 2649991, 3106886, 3288310, 3917378, 5299982, 6213772, 6576620, 7767215, 7834756, 9793445, 10599964, 13249955, 15534430, 19586890, 26499910, 31068860, 39173780, 45049847, 52999820, 90099694, 180199388, 225249235, 450498470, 900996940]

約数ペア:

[(1, 900996940), (2, 450498470), (4, 225249235), (5, 180199388), (10, 90099694), (17, 52999820), (20, 45049847), (23, 39173780), (29, 31068860), (34, 26499910), (46, 19586890), (58, 15534430), (68, 13249955), (85, 10599964), (92, 9793445), (115, 7834756), (116, 7767215), (137, 6576620), (145, 6213772), (170, 5299982), (230, 3917378), (274, 3288310), (290, 3106886), (340, 2649991), (391, 2304340), (460, 1958689), (493, 1827580), (548, 1644155), (580, 1553443), (667, 1350820), (685, 1315324), (782, 1152170), (841, 1071340), (986, 913790), (1334, 675410), (1370, 657662), (1564, 576085), (1682, 535670), (1955, 460868), (1972, 456895), (2329, 386860), (2465, 365516), (2668, 337705), (2740, 328831), (3151, 285940), (3335, 270164), (3364, 267835), (3910, 230434), (3973, 226780), (4205, 214268), (4658, 193430), (4930, 182758), (6302, 142970), (6670, 135082), (7820, 115217), (7946, 113390), (8410, 107134), (9316, 96715), (9860, 91379), (11339, 79460), (11645, 77372), (12604, 71485), (13340, 67541), (14297, 63020), (15755, 57188), (15892, 56695), (16820, 53567), (19343, 46580), (19865, 45356), (22678, 39730), (23290, 38686), (28594, 31510)]