388119900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:884

約数の個数: 144

約数和(自身を含む): 1289361920

約数和(自身を除く): 901242020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 421, 439, 525, 700, 842, 878, 1050, 1263, 1317, 1684, 1756, 2100, 2105, 2195, 2526, 2634, 2947, 3073, 4210, 4390, 5052, 5268, 5894, 6146, 6315, 6585, 8420, 8780, 8841, 9219, 10525, 10975, 11788, 12292, 12630, 13170, 14735, 15365, 17682, 18438, 21050, 21950, 25260, 26340, 29470, 30730, 31575, 32925, 35364, 36876, 42100, 43900, 44205, 46095, 58940, 61460, 63150, 65850, 73675, 76825, 88410, 92190, 126300, 131700, 147350, 153650, 176820, 184380, 184819, 221025, 230475, 294700, 307300, 369638, 442050, 460950, 554457, 739276, 884100, 921900, 924095, 1108914, 1293733, 1848190, 2217828, 2587466, 2772285, 3696380, 3881199, 4620475, 5174932, 5544570, 6468665, 7762398, 9240950, 11089140, 12937330, 13861425, 15524796, 18481900, 19405995, 25874660, 27722850, 32343325, 38811990, 55445700, 64686650, 77623980, 97029975, 129373300, 194059950, 388119900]

約数ペア:

[(1, 388119900), (2, 194059950), (3, 129373300), (4, 97029975), (5, 77623980), (6, 64686650), (7, 55445700), (10, 38811990), (12, 32343325), (14, 27722850), (15, 25874660), (20, 19405995), (21, 18481900), (25, 15524796), (28, 13861425), (30, 12937330), (35, 11089140), (42, 9240950), (50, 7762398), (60, 6468665), (70, 5544570), (75, 5174932), (84, 4620475), (100, 3881199), (105, 3696380), (140, 2772285), (150, 2587466), (175, 2217828), (210, 1848190), (300, 1293733), (350, 1108914), (420, 924095), (421, 921900), (439, 884100), (525, 739276), (700, 554457), (842, 460950), (878, 442050), (1050, 369638), (1263, 307300), (1317, 294700), (1684, 230475), (1756, 221025), (2100, 184819), (2105, 184380), (2195, 176820), (2526, 153650), (2634, 147350), (2947, 131700), (3073, 126300), (4210, 92190), (4390, 88410), (5052, 76825), (5268, 73675), (5894, 65850), (6146, 63150), (6315, 61460), (6585, 58940), (8420, 46095), (8780, 44205), (8841, 43900), (9219, 42100), (10525, 36876), (10975, 35364), (11788, 32925), (12292, 31575), (12630, 30730), (13170, 29470), (14735, 26340), (15365, 25260), (17682, 21950), (18438, 21050)]