256470500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 700068096

約数和(自身を除く): 443597596

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 25, 26, 34, 44, 50, 52, 55, 65, 68, 85, 100, 110, 125, 130, 143, 170, 187, 211, 220, 221, 250, 260, 275, 286, 325, 340, 374, 422, 425, 442, 500, 550, 572, 650, 715, 748, 844, 850, 884, 935, 1055, 1100, 1105, 1300, 1375, 1430, 1625, 1700, 1870, 2110, 2125, 2210, 2321, 2431, 2743, 2750, 2860, 3250, 3575, 3587, 3740, 4220, 4250, 4420, 4642, 4675, 4862, 5275, 5486, 5500, 5525, 6500, 7150, 7174, 8500, 9284, 9350, 9724, 10550, 10972, 11050, 11605, 12155, 13715, 14300, 14348, 17875, 17935, 18700, 21100, 22100, 23210, 23375, 24310, 26375, 27430, 27625, 30173, 35750, 35870, 39457, 46420, 46631, 46750, 48620, 52750, 54860, 55250, 58025, 60346, 60775, 68575, 71500, 71740, 78914, 89675, 93262, 93500, 105500, 110500, 116050, 120692, 121550, 137150, 150865, 157828, 179350, 186524, 197285, 232100, 233155, 243100, 274300, 290125, 301730, 303875, 342875, 358700, 394570, 448375, 466310, 512941, 580250, 603460, 607750, 685750, 754325, 789140, 896750, 932620, 986425, 1025882, 1160500, 1165775, 1215500, 1371500, 1508650, 1793500, 1972850, 2051764, 2331550, 2564705, 3017300, 3771625, 3945700, 4663100, 4932125, 5129410, 5828875, 7543250, 9864250, 10258820, 11657750, 12823525, 15086500, 19728500, 23315500, 25647050, 51294100, 64117625, 128235250, 256470500]

約数ペア:

[(1, 256470500), (2, 128235250), (4, 64117625), (5, 51294100), (10, 25647050), (11, 23315500), (13, 19728500), (17, 15086500), (20, 12823525), (22, 11657750), (25, 10258820), (26, 9864250), (34, 7543250), (44, 5828875), (50, 5129410), (52, 4932125), (55, 4663100), (65, 3945700), (68, 3771625), (85, 3017300), (100, 2564705), (110, 2331550), (125, 2051764), (130, 1972850), (143, 1793500), (170, 1508650), (187, 1371500), (211, 1215500), (220, 1165775), (221, 1160500), (250, 1025882), (260, 986425), (275, 932620), (286, 896750), (325, 789140), (340, 754325), (374, 685750), (422, 607750), (425, 603460), (442, 580250), (500, 512941), (550, 466310), (572, 448375), (650, 394570), (715, 358700), (748, 342875), (844, 303875), (850, 301730), (884, 290125), (935, 274300), (1055, 243100), (1100, 233155), (1105, 232100), (1300, 197285), (1375, 186524), (1430, 179350), (1625, 157828), (1700, 150865), (1870, 137150), (2110, 121550), (2125, 120692), (2210, 116050), (2321, 110500), (2431, 105500), (2743, 93500), (2750, 93262), (2860, 89675), (3250, 78914), (3575, 71740), (3587, 71500), (3740, 68575), (4220, 60775), (4250, 60346), (4420, 58025), (4642, 55250), (4675, 54860), (4862, 52750), (5275, 48620), (5486, 46750), (5500, 46631), (5525, 46420), (6500, 39457), (7150, 35870), (7174, 35750), (8500, 30173), (9284, 27625), (9350, 27430), (9724, 26375), (10550, 24310), (10972, 23375), (11050, 23210), (11605, 22100), (12155, 21100), (13715, 18700), (14300, 17935), (14348, 17875)]