99997380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4177}}^1$

素因数の和:4218

約数の個数: 144

約数和(自身を含む): 364990080

約数和(自身を除く): 264992700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4177, 4788, 5985, 7980, 8354, 11970, 12531, 16708, 20885, 23940, 25062, 29239, 37593, 41770, 50124, 58478, 62655, 75186, 79363, 83540, 87717, 116956, 125310, 146195, 150372, 158726, 175434, 187965, 238089, 250620, 263151, 292390, 317452, 350868, 375930, 396815, 438585, 476178, 526302, 555541, 584780, 714267, 751860, 793630, 877170, 952356, 1052604, 1111082, 1190445, 1315755, 1428534, 1587260, 1666623, 1754340, 2222164, 2380890, 2631510, 2777705, 2857068, 3333246, 3571335, 4761780, 4999869, 5263020, 5555410, 6666492, 7142670, 8333115, 9999738, 11110820, 14285340, 16666230, 19999476, 24999345, 33332460, 49998690, 99997380]

約数ペア:

[(1, 99997380), (2, 49998690), (3, 33332460), (4, 24999345), (5, 19999476), (6, 16666230), (7, 14285340), (9, 11110820), (10, 9999738), (12, 8333115), (14, 7142670), (15, 6666492), (18, 5555410), (19, 5263020), (20, 4999869), (21, 4761780), (28, 3571335), (30, 3333246), (35, 2857068), (36, 2777705), (38, 2631510), (42, 2380890), (45, 2222164), (57, 1754340), (60, 1666623), (63, 1587260), (70, 1428534), (76, 1315755), (84, 1190445), (90, 1111082), (95, 1052604), (105, 952356), (114, 877170), (126, 793630), (133, 751860), (140, 714267), (171, 584780), (180, 555541), (190, 526302), (210, 476178), (228, 438585), (252, 396815), (266, 375930), (285, 350868), (315, 317452), (342, 292390), (380, 263151), (399, 250620), (420, 238089), (532, 187965), (570, 175434), (630, 158726), (665, 150372), (684, 146195), (798, 125310), (855, 116956), (1140, 87717), (1197, 83540), (1260, 79363), (1330, 75186), (1596, 62655), (1710, 58478), (1995, 50124), (2394, 41770), (2660, 37593), (3420, 29239), (3990, 25062), (4177, 23940), (4788, 20885), (5985, 16708), (7980, 12531), (8354, 11970)]