248911740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17959}}^1$

素因数の和:17992

約数の個数: 144

約数和(自身を含む): 941391360

約数和(自身を除く): 692479620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 17959, 35918, 53877, 71836, 89795, 107754, 125713, 161631, 179590, 197549, 215508, 251426, 269385, 323262, 359180, 377139, 395098, 502852, 538770, 592647, 628565, 646524, 754278, 790196, 808155, 987745, 1077540, 1131417, 1185294, 1257130, 1382843, 1508556, 1616310, 1777941, 1885695, 1975490, 2262834, 2370588, 2514260, 2765686, 2963235, 3232620, 3555882, 3771390, 3950980, 4148529, 4525668, 5531372, 5657085, 5926470, 6914215, 7111764, 7542780, 8297058, 8889705, 11314170, 11852940, 12445587, 13828430, 16594116, 17779410, 20742645, 22628340, 24891174, 27656860, 35558820, 41485290, 49782348, 62227935, 82970580, 124455870, 248911740]

約数ペア:

[(1, 248911740), (2, 124455870), (3, 82970580), (4, 62227935), (5, 49782348), (6, 41485290), (7, 35558820), (9, 27656860), (10, 24891174), (11, 22628340), (12, 20742645), (14, 17779410), (15, 16594116), (18, 13828430), (20, 12445587), (21, 11852940), (22, 11314170), (28, 8889705), (30, 8297058), (33, 7542780), (35, 7111764), (36, 6914215), (42, 5926470), (44, 5657085), (45, 5531372), (55, 4525668), (60, 4148529), (63, 3950980), (66, 3771390), (70, 3555882), (77, 3232620), (84, 2963235), (90, 2765686), (99, 2514260), (105, 2370588), (110, 2262834), (126, 1975490), (132, 1885695), (140, 1777941), (154, 1616310), (165, 1508556), (180, 1382843), (198, 1257130), (210, 1185294), (220, 1131417), (231, 1077540), (252, 987745), (308, 808155), (315, 790196), (330, 754278), (385, 646524), (396, 628565), (420, 592647), (462, 538770), (495, 502852), (630, 395098), (660, 377139), (693, 359180), (770, 323262), (924, 269385), (990, 251426), (1155, 215508), (1260, 197549), (1386, 179590), (1540, 161631), (1980, 125713), (2310, 107754), (2772, 89795), (3465, 71836), (4620, 53877), (6930, 35918), (13860, 17959)]