248994460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 637876512

約数和(自身を除く): 388882052

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 37, 44, 52, 55, 65, 74, 110, 130, 143, 148, 169, 181, 185, 220, 260, 286, 338, 362, 370, 407, 481, 572, 676, 715, 724, 740, 814, 845, 905, 962, 1430, 1628, 1690, 1810, 1859, 1924, 1991, 2035, 2353, 2405, 2860, 3380, 3620, 3718, 3982, 4070, 4706, 4810, 5291, 6253, 6697, 7436, 7964, 8140, 9295, 9412, 9620, 9955, 10582, 11765, 12506, 13394, 18590, 19910, 21164, 23530, 25012, 25883, 26455, 26788, 30589, 31265, 33485, 37180, 39820, 47060, 51766, 52910, 61178, 62530, 66970, 68783, 73667, 87061, 103532, 105820, 122356, 125060, 129415, 133940, 137566, 147334, 152945, 174122, 258830, 275132, 294668, 305890, 336479, 343915, 348244, 368335, 435305, 517660, 611780, 672958, 687830, 736670, 870610, 957671, 1131793, 1345916, 1375660, 1473340, 1682395, 1741220, 1915342, 2263586, 3364790, 3830684, 4527172, 4788355, 5658965, 6729580, 9576710, 11317930, 12449723, 19153420, 22635860, 24899446, 49798892, 62248615, 124497230, 248994460]

約数ペア:

[(1, 248994460), (2, 124497230), (4, 62248615), (5, 49798892), (10, 24899446), (11, 22635860), (13, 19153420), (20, 12449723), (22, 11317930), (26, 9576710), (37, 6729580), (44, 5658965), (52, 4788355), (55, 4527172), (65, 3830684), (74, 3364790), (110, 2263586), (130, 1915342), (143, 1741220), (148, 1682395), (169, 1473340), (181, 1375660), (185, 1345916), (220, 1131793), (260, 957671), (286, 870610), (338, 736670), (362, 687830), (370, 672958), (407, 611780), (481, 517660), (572, 435305), (676, 368335), (715, 348244), (724, 343915), (740, 336479), (814, 305890), (845, 294668), (905, 275132), (962, 258830), (1430, 174122), (1628, 152945), (1690, 147334), (1810, 137566), (1859, 133940), (1924, 129415), (1991, 125060), (2035, 122356), (2353, 105820), (2405, 103532), (2860, 87061), (3380, 73667), (3620, 68783), (3718, 66970), (3982, 62530), (4070, 61178), (4706, 52910), (4810, 51766), (5291, 47060), (6253, 39820), (6697, 37180), (7436, 33485), (7964, 31265), (8140, 30589), (9295, 26788), (9412, 26455), (9620, 25883), (9955, 25012), (10582, 23530), (11765, 21164), (12506, 19910), (13394, 18590)]