491330387500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{12917}}^1$

素因数の和:13142

約数の個数: 144

約数和(自身を含む): 1144380817440

約数和(自身を除く): 653050429940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 179, 250, 340, 358, 425, 500, 625, 716, 850, 895, 1250, 1700, 1790, 2125, 2500, 3043, 3125, 3580, 4250, 4475, 6086, 6250, 8500, 8950, 10625, 12172, 12500, 12917, 15215, 17900, 21250, 22375, 25834, 30430, 42500, 44750, 51668, 53125, 60860, 64585, 76075, 89500, 106250, 111875, 129170, 152150, 212500, 219589, 223750, 258340, 304300, 322925, 380375, 439178, 447500, 559375, 645850, 760750, 878356, 1097945, 1118750, 1291700, 1521500, 1614625, 1901875, 2195890, 2237500, 2312143, 3229250, 3803750, 4391780, 4624286, 5489725, 6458500, 7607500, 8073125, 9248572, 9509375, 10979450, 11560715, 16146250, 19018750, 21958900, 23121430, 27448625, 32292500, 38037500, 39306431, 40365625, 46242860, 54897250, 57803575, 78612862, 80731250, 109794500, 115607150, 137243125, 157225724, 161462500, 196532155, 231214300, 274486250, 289017875, 393064310, 548972500, 578035750, 686215625, 786128620, 982660775, 1156071500, 1372431250, 1445089375, 1965321550, 2744862500, 2890178750, 3930643100, 4913303875, 5780357500, 7225446875, 9826607750, 14450893750, 19653215500, 24566519375, 28901787500, 49133038750, 98266077500, 122832596875, 245665193750, 491330387500]

約数ペア:

[(1, 491330387500), (2, 245665193750), (4, 122832596875), (5, 98266077500), (10, 49133038750), (17, 28901787500), (20, 24566519375), (25, 19653215500), (34, 14450893750), (50, 9826607750), (68, 7225446875), (85, 5780357500), (100, 4913303875), (125, 3930643100), (170, 2890178750), (179, 2744862500), (250, 1965321550), (340, 1445089375), (358, 1372431250), (425, 1156071500), (500, 982660775), (625, 786128620), (716, 686215625), (850, 578035750), (895, 548972500), (1250, 393064310), (1700, 289017875), (1790, 274486250), (2125, 231214300), (2500, 196532155), (3043, 161462500), (3125, 157225724), (3580, 137243125), (4250, 115607150), (4475, 109794500), (6086, 80731250), (6250, 78612862), (8500, 57803575), (8950, 54897250), (10625, 46242860), (12172, 40365625), (12500, 39306431), (12917, 38037500), (15215, 32292500), (17900, 27448625), (21250, 23121430), (22375, 21958900), (25834, 19018750), (30430, 16146250), (42500, 11560715), (44750, 10979450), (51668, 9509375), (53125, 9248572), (60860, 8073125), (64585, 7607500), (76075, 6458500), (89500, 5489725), (106250, 4624286), (111875, 4391780), (129170, 3803750), (152150, 3229250), (212500, 2312143), (219589, 2237500), (223750, 2195890), (258340, 1901875), (304300, 1614625), (322925, 1521500), (380375, 1291700), (439178, 1118750), (447500, 1097945), (559375, 878356), (645850, 760750)]