2019463460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{967}}^1\times {\mathrm{2131}}^1$

素因数の和:3121

約数の個数: 72

約数和(自身を含む): 4940679744

約数和(自身を除く): 2921216284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 967, 980, 1934, 2131, 3868, 4262, 4835, 6769, 8524, 9670, 10655, 13538, 14917, 19340, 21310, 27076, 29834, 33845, 42620, 47383, 59668, 67690, 74585, 94766, 104419, 135380, 149170, 189532, 208838, 236915, 298340, 417676, 473830, 522095, 947660, 1044190, 2060677, 2088380, 4121354, 8242708, 10303385, 14424739, 20606770, 28849478, 41213540, 57698956, 72123695, 100973173, 144247390, 201946346, 288494780, 403892692, 504865865, 1009731730, 2019463460]

約数ペア:

[(1, 2019463460), (2, 1009731730), (4, 504865865), (5, 403892692), (7, 288494780), (10, 201946346), (14, 144247390), (20, 100973173), (28, 72123695), (35, 57698956), (49, 41213540), (70, 28849478), (98, 20606770), (140, 14424739), (196, 10303385), (245, 8242708), (490, 4121354), (967, 2088380), (980, 2060677), (1934, 1044190), (2131, 947660), (3868, 522095), (4262, 473830), (4835, 417676), (6769, 298340), (8524, 236915), (9670, 208838), (10655, 189532), (13538, 149170), (14917, 135380), (19340, 104419), (21310, 94766), (27076, 74585), (29834, 67690), (33845, 59668), (42620, 47383)]