237580280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 639221760

約数和(自身を除く): 401641480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 101, 124, 140, 155, 202, 217, 248, 271, 280, 310, 404, 434, 505, 542, 620, 707, 808, 868, 1010, 1084, 1085, 1240, 1355, 1414, 1736, 1897, 2020, 2168, 2170, 2710, 2828, 3131, 3535, 3794, 4040, 4340, 5420, 5656, 6262, 7070, 7588, 8401, 8680, 9485, 10840, 12524, 14140, 15176, 15655, 16802, 18970, 21917, 25048, 27371, 28280, 31310, 33604, 37940, 42005, 43834, 54742, 58807, 62620, 67208, 75880, 84010, 87668, 109484, 109585, 117614, 125240, 136855, 168020, 175336, 191597, 218968, 219170, 235228, 273710, 294035, 336040, 383194, 438340, 470456, 547420, 588070, 766388, 848501, 876680, 957985, 1094840, 1176140, 1532776, 1697002, 1915970, 2352280, 3394004, 3831940, 4242505, 5939507, 6788008, 7663880, 8485010, 11879014, 16970020, 23758028, 29697535, 33940040, 47516056, 59395070, 118790140, 237580280]

約数ペア:

[(1, 237580280), (2, 118790140), (4, 59395070), (5, 47516056), (7, 33940040), (8, 29697535), (10, 23758028), (14, 16970020), (20, 11879014), (28, 8485010), (31, 7663880), (35, 6788008), (40, 5939507), (56, 4242505), (62, 3831940), (70, 3394004), (101, 2352280), (124, 1915970), (140, 1697002), (155, 1532776), (202, 1176140), (217, 1094840), (248, 957985), (271, 876680), (280, 848501), (310, 766388), (404, 588070), (434, 547420), (505, 470456), (542, 438340), (620, 383194), (707, 336040), (808, 294035), (868, 273710), (1010, 235228), (1084, 219170), (1085, 218968), (1240, 191597), (1355, 175336), (1414, 168020), (1736, 136855), (1897, 125240), (2020, 117614), (2168, 109585), (2170, 109484), (2710, 87668), (2828, 84010), (3131, 75880), (3535, 67208), (3794, 62620), (4040, 58807), (4340, 54742), (5420, 43834), (5656, 42005), (6262, 37940), (7070, 33604), (7588, 31310), (8401, 28280), (8680, 27371), (9485, 25048), (10840, 21917), (12524, 18970), (14140, 16802), (15176, 15655)]