664752500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 1541037960

約数和(自身を除く): 876285460

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 53, 58, 100, 106, 116, 125, 145, 173, 212, 250, 265, 290, 346, 500, 530, 580, 625, 692, 725, 865, 1060, 1250, 1325, 1450, 1537, 1730, 2500, 2650, 2900, 3074, 3460, 3625, 4325, 5017, 5300, 6148, 6625, 7250, 7685, 8650, 9169, 10034, 13250, 14500, 15370, 17300, 18125, 18338, 20068, 21625, 25085, 26500, 30740, 33125, 36250, 36676, 38425, 43250, 45845, 50170, 66250, 72500, 76850, 86500, 91690, 100340, 108125, 125425, 132500, 153700, 183380, 192125, 216250, 229225, 250850, 265901, 384250, 432500, 458450, 501700, 531802, 627125, 768500, 916900, 960625, 1063604, 1146125, 1254250, 1329505, 1921250, 2292250, 2508500, 2659010, 3135625, 3842500, 4584500, 5318020, 5730625, 6271250, 6647525, 11461250, 12542500, 13295050, 22922500, 26590100, 33237625, 66475250, 132950500, 166188125, 332376250, 664752500]

約数ペア:

[(1, 664752500), (2, 332376250), (4, 166188125), (5, 132950500), (10, 66475250), (20, 33237625), (25, 26590100), (29, 22922500), (50, 13295050), (53, 12542500), (58, 11461250), (100, 6647525), (106, 6271250), (116, 5730625), (125, 5318020), (145, 4584500), (173, 3842500), (212, 3135625), (250, 2659010), (265, 2508500), (290, 2292250), (346, 1921250), (500, 1329505), (530, 1254250), (580, 1146125), (625, 1063604), (692, 960625), (725, 916900), (865, 768500), (1060, 627125), (1250, 531802), (1325, 501700), (1450, 458450), (1537, 432500), (1730, 384250), (2500, 265901), (2650, 250850), (2900, 229225), (3074, 216250), (3460, 192125), (3625, 183380), (4325, 153700), (5017, 132500), (5300, 125425), (6148, 108125), (6625, 100340), (7250, 91690), (7685, 86500), (8650, 76850), (9169, 72500), (10034, 66250), (13250, 50170), (14500, 45845), (15370, 43250), (17300, 38425), (18125, 36676), (18338, 36250), (20068, 33125), (21625, 30740), (25085, 26500)]