248693340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 192

約数和(自身を含む): 857945088

約数和(自身を除く): 609251748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 61, 68, 70, 84, 85, 102, 105, 119, 122, 140, 170, 183, 204, 210, 238, 244, 255, 305, 340, 357, 366, 420, 427, 476, 510, 571, 595, 610, 714, 732, 854, 915, 1020, 1037, 1142, 1190, 1220, 1281, 1428, 1708, 1713, 1785, 1830, 2074, 2135, 2284, 2380, 2562, 2855, 3111, 3426, 3570, 3660, 3997, 4148, 4270, 5124, 5185, 5710, 6222, 6405, 6852, 7140, 7259, 7994, 8540, 8565, 9707, 10370, 11420, 11991, 12444, 12810, 14518, 15555, 15988, 17130, 19414, 19985, 20740, 21777, 23982, 25620, 29036, 29121, 31110, 34260, 34831, 36295, 38828, 39970, 43554, 47964, 48535, 58242, 59955, 62220, 67949, 69662, 72590, 79940, 87108, 97070, 104493, 108885, 116484, 119910, 135898, 139324, 145180, 145605, 174155, 194140, 203847, 208986, 217770, 239820, 243817, 271796, 291210, 339745, 348310, 407694, 417972, 435540, 487634, 522465, 582420, 592127, 679490, 696620, 731451, 815388, 975268, 1019235, 1044930, 1184254, 1219085, 1358980, 1462902, 1776381, 2038470, 2089860, 2368508, 2438170, 2925804, 2960635, 3552762, 3657255, 4076940, 4144889, 4876340, 5921270, 7105524, 7314510, 8289778, 8881905, 11842540, 12434667, 14629020, 16579556, 17763810, 20724445, 24869334, 35527620, 41448890, 49738668, 62173335, 82897780, 124346670, 248693340]

約数ペア:

[(1, 248693340), (2, 124346670), (3, 82897780), (4, 62173335), (5, 49738668), (6, 41448890), (7, 35527620), (10, 24869334), (12, 20724445), (14, 17763810), (15, 16579556), (17, 14629020), (20, 12434667), (21, 11842540), (28, 8881905), (30, 8289778), (34, 7314510), (35, 7105524), (42, 5921270), (51, 4876340), (60, 4144889), (61, 4076940), (68, 3657255), (70, 3552762), (84, 2960635), (85, 2925804), (102, 2438170), (105, 2368508), (119, 2089860), (122, 2038470), (140, 1776381), (170, 1462902), (183, 1358980), (204, 1219085), (210, 1184254), (238, 1044930), (244, 1019235), (255, 975268), (305, 815388), (340, 731451), (357, 696620), (366, 679490), (420, 592127), (427, 582420), (476, 522465), (510, 487634), (571, 435540), (595, 417972), (610, 407694), (714, 348310), (732, 339745), (854, 291210), (915, 271796), (1020, 243817), (1037, 239820), (1142, 217770), (1190, 208986), (1220, 203847), (1281, 194140), (1428, 174155), (1708, 145605), (1713, 145180), (1785, 139324), (1830, 135898), (2074, 119910), (2135, 116484), (2284, 108885), (2380, 104493), (2562, 97070), (2855, 87108), (3111, 79940), (3426, 72590), (3570, 69662), (3660, 67949), (3997, 62220), (4148, 59955), (4270, 58242), (5124, 48535), (5185, 47964), (5710, 43554), (6222, 39970), (6405, 38828), (6852, 36295), (7140, 34831), (7259, 34260), (7994, 31110), (8540, 29121), (8565, 29036), (9707, 25620), (10370, 23982), (11420, 21777), (11991, 20740), (12444, 19985), (12810, 19414), (14518, 17130), (15555, 15988)]