17809540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1069}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 46108440

約数和(自身を除く): 28298900

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1069, 1190, 1666, 2138, 2380, 3332, 4165, 4276, 5345, 7483, 8330, 10690, 14966, 16660, 18173, 21380, 29932, 36346, 37415, 52381, 72692, 74830, 90865, 104762, 127211, 149660, 181730, 209524, 254422, 261905, 363460, 508844, 523810, 636055, 890477, 1047620, 1272110, 1780954, 2544220, 3561908, 4452385, 8904770, 17809540]

約数ペア:

[(1, 17809540), (2, 8904770), (4, 4452385), (5, 3561908), (7, 2544220), (10, 1780954), (14, 1272110), (17, 1047620), (20, 890477), (28, 636055), (34, 523810), (35, 508844), (49, 363460), (68, 261905), (70, 254422), (85, 209524), (98, 181730), (119, 149660), (140, 127211), (170, 104762), (196, 90865), (238, 74830), (245, 72692), (340, 52381), (476, 37415), (490, 36346), (595, 29932), (833, 21380), (980, 18173), (1069, 16660), (1190, 14966), (1666, 10690), (2138, 8330), (2380, 7483), (3332, 5345), (4165, 4276)]