191181340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 500472000

約数和(自身を除く): 309290660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 31, 35, 49, 58, 62, 70, 98, 116, 124, 140, 145, 155, 196, 203, 217, 245, 290, 310, 343, 406, 434, 490, 580, 620, 686, 812, 868, 899, 961, 980, 1015, 1085, 1372, 1421, 1519, 1715, 1798, 1922, 2030, 2170, 2842, 3038, 3430, 3596, 3844, 4060, 4340, 4495, 4805, 5684, 6076, 6293, 6727, 6860, 7105, 7595, 8990, 9610, 9947, 10633, 12586, 13454, 14210, 15190, 17980, 19220, 19894, 21266, 25172, 26908, 27869, 28420, 30380, 31465, 33635, 39788, 42532, 44051, 47089, 49735, 53165, 55738, 62930, 67270, 88102, 94178, 99470, 106330, 111476, 125860, 134540, 139345, 176204, 188356, 195083, 198940, 212660, 220255, 235445, 278690, 308357, 329623, 390166, 440510, 470890, 557380, 616714, 659246, 780332, 881020, 941780, 975415, 1233428, 1318492, 1365581, 1541785, 1648115, 1950830, 2731162, 3083570, 3296230, 3901660, 5462324, 6167140, 6592460, 6827905, 9559067, 13655810, 19118134, 27311620, 38236268, 47795335, 95590670, 191181340]

約数ペア:

[(1, 191181340), (2, 95590670), (4, 47795335), (5, 38236268), (7, 27311620), (10, 19118134), (14, 13655810), (20, 9559067), (28, 6827905), (29, 6592460), (31, 6167140), (35, 5462324), (49, 3901660), (58, 3296230), (62, 3083570), (70, 2731162), (98, 1950830), (116, 1648115), (124, 1541785), (140, 1365581), (145, 1318492), (155, 1233428), (196, 975415), (203, 941780), (217, 881020), (245, 780332), (290, 659246), (310, 616714), (343, 557380), (406, 470890), (434, 440510), (490, 390166), (580, 329623), (620, 308357), (686, 278690), (812, 235445), (868, 220255), (899, 212660), (961, 198940), (980, 195083), (1015, 188356), (1085, 176204), (1372, 139345), (1421, 134540), (1519, 125860), (1715, 111476), (1798, 106330), (1922, 99470), (2030, 94178), (2170, 88102), (2842, 67270), (3038, 62930), (3430, 55738), (3596, 53165), (3844, 49735), (4060, 47089), (4340, 44051), (4495, 42532), (4805, 39788), (5684, 33635), (6076, 31465), (6293, 30380), (6727, 28420), (6860, 27869), (7105, 26908), (7595, 25172), (8990, 21266), (9610, 19894), (9947, 19220), (10633, 17980), (12586, 15190), (13454, 14210)]