28429800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^2\times {\mathrm{967}}^1$

素因数の和:1000

約数の個数: 144

約数和(自身を含む): 102627360

約数和(自身を除く): 74197560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 140, 147, 150, 168, 175, 196, 200, 210, 245, 280, 294, 300, 350, 392, 420, 490, 525, 588, 600, 700, 735, 840, 967, 980, 1050, 1176, 1225, 1400, 1470, 1934, 1960, 2100, 2450, 2901, 2940, 3675, 3868, 4200, 4835, 4900, 5802, 5880, 6769, 7350, 7736, 9670, 9800, 11604, 13538, 14505, 14700, 19340, 20307, 23208, 24175, 27076, 29010, 29400, 33845, 38680, 40614, 47383, 48350, 54152, 58020, 67690, 72525, 81228, 94766, 96700, 101535, 116040, 135380, 142149, 145050, 162456, 169225, 189532, 193400, 203070, 236915, 270760, 284298, 290100, 338450, 379064, 406140, 473830, 507675, 568596, 580200, 676900, 710745, 812280, 947660, 1015350, 1137192, 1184575, 1353800, 1421490, 1895320, 2030700, 2369150, 2842980, 3553725, 4061400, 4738300, 5685960, 7107450, 9476600, 14214900, 28429800]

約数ペア:

[(1, 28429800), (2, 14214900), (3, 9476600), (4, 7107450), (5, 5685960), (6, 4738300), (7, 4061400), (8, 3553725), (10, 2842980), (12, 2369150), (14, 2030700), (15, 1895320), (20, 1421490), (21, 1353800), (24, 1184575), (25, 1137192), (28, 1015350), (30, 947660), (35, 812280), (40, 710745), (42, 676900), (49, 580200), (50, 568596), (56, 507675), (60, 473830), (70, 406140), (75, 379064), (84, 338450), (98, 290100), (100, 284298), (105, 270760), (120, 236915), (140, 203070), (147, 193400), (150, 189532), (168, 169225), (175, 162456), (196, 145050), (200, 142149), (210, 135380), (245, 116040), (280, 101535), (294, 96700), (300, 94766), (350, 81228), (392, 72525), (420, 67690), (490, 58020), (525, 54152), (588, 48350), (600, 47383), (700, 40614), (735, 38680), (840, 33845), (967, 29400), (980, 29010), (1050, 27076), (1176, 24175), (1225, 23208), (1400, 20307), (1470, 19340), (1934, 14700), (1960, 14505), (2100, 13538), (2450, 11604), (2901, 9800), (2940, 9670), (3675, 7736), (3868, 7350), (4200, 6769), (4835, 5880), (4900, 5802)]