28767900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 216

約数和(自身を含む): 102910080

約数和(自身を除く): 74142180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 49, 50, 57, 60, 70, 75, 76, 84, 95, 98, 100, 103, 105, 114, 133, 140, 147, 150, 175, 190, 196, 206, 210, 228, 245, 266, 285, 294, 300, 309, 350, 380, 399, 412, 420, 475, 490, 515, 525, 532, 570, 588, 618, 665, 700, 721, 735, 798, 931, 950, 980, 1030, 1050, 1140, 1225, 1236, 1330, 1425, 1442, 1470, 1545, 1596, 1862, 1900, 1957, 1995, 2060, 2100, 2163, 2450, 2575, 2660, 2793, 2850, 2884, 2940, 3090, 3325, 3605, 3675, 3724, 3914, 3990, 4326, 4655, 4900, 5047, 5150, 5586, 5700, 5871, 6180, 6650, 7210, 7350, 7725, 7828, 7980, 8652, 9310, 9785, 9975, 10094, 10300, 10815, 11172, 11742, 13300, 13699, 13965, 14420, 14700, 15141, 15450, 18025, 18620, 19570, 19950, 20188, 21630, 23275, 23484, 25235, 27398, 27930, 29355, 30282, 30900, 36050, 39140, 39900, 41097, 43260, 46550, 48925, 50470, 54075, 54796, 55860, 58710, 60564, 68495, 69825, 72100, 75705, 82194, 93100, 95893, 97850, 100940, 108150, 117420, 126175, 136990, 139650, 146775, 151410, 164388, 191786, 195700, 205485, 216300, 252350, 273980, 279300, 287679, 293550, 302820, 342475, 378525, 383572, 410970, 479465, 504700, 575358, 587100, 684950, 757050, 821940, 958930, 1027425, 1150716, 1369900, 1438395, 1514100, 1917860, 2054850, 2397325, 2876790, 4109700, 4794650, 5753580, 7191975, 9589300, 14383950, 28767900]

約数ペア:

[(1, 28767900), (2, 14383950), (3, 9589300), (4, 7191975), (5, 5753580), (6, 4794650), (7, 4109700), (10, 2876790), (12, 2397325), (14, 2054850), (15, 1917860), (19, 1514100), (20, 1438395), (21, 1369900), (25, 1150716), (28, 1027425), (30, 958930), (35, 821940), (38, 757050), (42, 684950), (49, 587100), (50, 575358), (57, 504700), (60, 479465), (70, 410970), (75, 383572), (76, 378525), (84, 342475), (95, 302820), (98, 293550), (100, 287679), (103, 279300), (105, 273980), (114, 252350), (133, 216300), (140, 205485), (147, 195700), (150, 191786), (175, 164388), (190, 151410), (196, 146775), (206, 139650), (210, 136990), (228, 126175), (245, 117420), (266, 108150), (285, 100940), (294, 97850), (300, 95893), (309, 93100), (350, 82194), (380, 75705), (399, 72100), (412, 69825), (420, 68495), (475, 60564), (490, 58710), (515, 55860), (525, 54796), (532, 54075), (570, 50470), (588, 48925), (618, 46550), (665, 43260), (700, 41097), (721, 39900), (735, 39140), (798, 36050), (931, 30900), (950, 30282), (980, 29355), (1030, 27930), (1050, 27398), (1140, 25235), (1225, 23484), (1236, 23275), (1330, 21630), (1425, 20188), (1442, 19950), (1470, 19570), (1545, 18620), (1596, 18025), (1862, 15450), (1900, 15141), (1957, 14700), (1995, 14420), (2060, 13965), (2100, 13699), (2163, 13300), (2450, 11742), (2575, 11172), (2660, 10815), (2793, 10300), (2850, 10094), (2884, 9975), (2940, 9785), (3090, 9310), (3325, 8652), (3605, 7980), (3675, 7828), (3724, 7725), (3914, 7350), (3990, 7210), (4326, 6650), (4655, 6180), (4900, 5871), (5047, 5700), (5150, 5586)]