3979780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 10112256

約数和(自身を除く): 6132476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 131, 140, 155, 196, 217, 245, 262, 310, 434, 490, 524, 620, 655, 868, 917, 980, 1085, 1310, 1519, 1834, 2170, 2620, 3038, 3668, 4061, 4340, 4585, 6076, 6419, 7595, 8122, 9170, 12838, 15190, 16244, 18340, 20305, 25676, 28427, 30380, 32095, 40610, 56854, 64190, 81220, 113708, 128380, 142135, 198989, 284270, 397978, 568540, 795956, 994945, 1989890, 3979780]

約数ペア:

[(1, 3979780), (2, 1989890), (4, 994945), (5, 795956), (7, 568540), (10, 397978), (14, 284270), (20, 198989), (28, 142135), (31, 128380), (35, 113708), (49, 81220), (62, 64190), (70, 56854), (98, 40610), (124, 32095), (131, 30380), (140, 28427), (155, 25676), (196, 20305), (217, 18340), (245, 16244), (262, 15190), (310, 12838), (434, 9170), (490, 8122), (524, 7595), (620, 6419), (655, 6076), (868, 4585), (917, 4340), (980, 4061), (1085, 3668), (1310, 3038), (1519, 2620), (1834, 2170)]