65104340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2197

約数の個数: 72

約数和(自身を含む): 164247552

約数和(自身を除く): 99143212

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, 2143, 2170, 3038, 4286, 4340, 6076, 7595, 8572, 10715, 15001, 15190, 21430, 30002, 30380, 42860, 60004, 66433, 75005, 105007, 132866, 150010, 210014, 265732, 300020, 332165, 420028, 465031, 525035, 664330, 930062, 1050070, 1328660, 1860124, 2100140, 2325155, 3255217, 4650310, 6510434, 9300620, 13020868, 16276085, 32552170, 65104340]

約数ペア:

[(1, 65104340), (2, 32552170), (4, 16276085), (5, 13020868), (7, 9300620), (10, 6510434), (14, 4650310), (20, 3255217), (28, 2325155), (31, 2100140), (35, 1860124), (49, 1328660), (62, 1050070), (70, 930062), (98, 664330), (124, 525035), (140, 465031), (155, 420028), (196, 332165), (217, 300020), (245, 265732), (310, 210014), (434, 150010), (490, 132866), (620, 105007), (868, 75005), (980, 66433), (1085, 60004), (1519, 42860), (2143, 30380), (2170, 30002), (3038, 21430), (4286, 15190), (4340, 15001), (6076, 10715), (7595, 8572)]