171738140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5653}}^1$

素因数の和:5707

約数の個数: 72

約数和(自身を含む): 433141632

約数和(自身を除く): 261403492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2170, 3038, 4340, 5653, 6076, 7595, 11306, 15190, 22612, 28265, 30380, 39571, 56530, 79142, 113060, 158284, 175243, 197855, 276997, 350486, 395710, 553994, 700972, 791420, 876215, 1107988, 1226701, 1384985, 1752430, 2453402, 2769970, 3504860, 4906804, 5539940, 6133505, 8586907, 12267010, 17173814, 24534020, 34347628, 42934535, 85869070, 171738140]

約数ペア:

[(1, 171738140), (2, 85869070), (4, 42934535), (5, 34347628), (7, 24534020), (10, 17173814), (14, 12267010), (20, 8586907), (28, 6133505), (31, 5539940), (35, 4906804), (49, 3504860), (62, 2769970), (70, 2453402), (98, 1752430), (124, 1384985), (140, 1226701), (155, 1107988), (196, 876215), (217, 791420), (245, 700972), (310, 553994), (434, 395710), (490, 350486), (620, 276997), (868, 197855), (980, 175243), (1085, 158284), (1519, 113060), (2170, 79142), (3038, 56530), (4340, 39571), (5653, 30380), (6076, 28265), (7595, 22612), (11306, 15190)]