289317560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 845834400

約数和(自身を除く): 556516840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 49, 56, 68, 70, 76, 85, 95, 98, 119, 133, 136, 140, 152, 170, 190, 196, 238, 245, 266, 280, 323, 340, 380, 392, 457, 476, 490, 532, 595, 646, 665, 680, 760, 833, 914, 931, 952, 980, 1064, 1190, 1292, 1330, 1615, 1666, 1828, 1862, 1960, 2261, 2285, 2380, 2584, 2660, 3199, 3230, 3332, 3656, 3724, 4165, 4522, 4570, 4655, 4760, 5320, 6398, 6460, 6664, 7448, 7769, 8330, 8683, 9044, 9140, 9310, 11305, 12796, 12920, 15538, 15827, 15995, 16660, 17366, 18088, 18280, 18620, 22393, 22610, 25592, 31076, 31654, 31990, 33320, 34732, 37240, 38845, 43415, 44786, 45220, 54383, 60781, 62152, 63308, 63980, 69464, 77690, 79135, 86830, 89572, 90440, 108766, 111965, 121562, 126616, 127960, 147611, 155380, 158270, 173660, 179144, 217532, 223930, 243124, 271915, 295222, 303905, 310760, 316540, 347320, 380681, 425467, 435064, 447860, 486248, 543830, 590444, 607810, 633080, 738055, 761362, 850934, 895720, 1033277, 1087660, 1180888, 1215620, 1476110, 1522724, 1701868, 1903405, 2066554, 2127335, 2175320, 2431240, 2952220, 3045448, 3403736, 3806810, 4133108, 4254670, 5166385, 5904440, 7232939, 7613620, 8266216, 8509340, 10332770, 14465878, 15227240, 17018680, 20665540, 28931756, 36164695, 41331080, 57863512, 72329390, 144658780, 289317560]

約数ペア:

[(1, 289317560), (2, 144658780), (4, 72329390), (5, 57863512), (7, 41331080), (8, 36164695), (10, 28931756), (14, 20665540), (17, 17018680), (19, 15227240), (20, 14465878), (28, 10332770), (34, 8509340), (35, 8266216), (38, 7613620), (40, 7232939), (49, 5904440), (56, 5166385), (68, 4254670), (70, 4133108), (76, 3806810), (85, 3403736), (95, 3045448), (98, 2952220), (119, 2431240), (133, 2175320), (136, 2127335), (140, 2066554), (152, 1903405), (170, 1701868), (190, 1522724), (196, 1476110), (238, 1215620), (245, 1180888), (266, 1087660), (280, 1033277), (323, 895720), (340, 850934), (380, 761362), (392, 738055), (457, 633080), (476, 607810), (490, 590444), (532, 543830), (595, 486248), (646, 447860), (665, 435064), (680, 425467), (760, 380681), (833, 347320), (914, 316540), (931, 310760), (952, 303905), (980, 295222), (1064, 271915), (1190, 243124), (1292, 223930), (1330, 217532), (1615, 179144), (1666, 173660), (1828, 158270), (1862, 155380), (1960, 147611), (2261, 127960), (2285, 126616), (2380, 121562), (2584, 111965), (2660, 108766), (3199, 90440), (3230, 89572), (3332, 86830), (3656, 79135), (3724, 77690), (4165, 69464), (4522, 63980), (4570, 63308), (4655, 62152), (4760, 60781), (5320, 54383), (6398, 45220), (6460, 44786), (6664, 43415), (7448, 38845), (7769, 37240), (8330, 34732), (8683, 33320), (9044, 31990), (9140, 31654), (9310, 31076), (11305, 25592), (12796, 22610), (12920, 22393), (15538, 18620), (15827, 18280), (15995, 18088), (16660, 17366)]