278399324140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2713}}^1\times {\mathrm{104711}}^1$

素因数の和:107447

約数の個数: 72

約数和(自身を含む): 680346952992

約数和(自身を除く): 401947628852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2713, 5426, 10852, 13565, 18991, 27130, 37982, 54260, 75964, 94955, 104711, 132937, 189910, 209422, 265874, 379820, 418844, 523555, 531748, 664685, 732977, 1047110, 1329370, 1465954, 2094220, 2658740, 2931908, 3664885, 5130839, 7329770, 10261678, 14659540, 20523356, 25654195, 51308390, 102616780, 284080943, 568161886, 1136323772, 1420404715, 1988566601, 2840809430, 3977133202, 5681618860, 7954266404, 9942833005, 13919966207, 19885666010, 27839932414, 39771332020, 55679864828, 69599831035, 139199662070, 278399324140]

約数ペア:

[(1, 278399324140), (2, 139199662070), (4, 69599831035), (5, 55679864828), (7, 39771332020), (10, 27839932414), (14, 19885666010), (20, 13919966207), (28, 9942833005), (35, 7954266404), (49, 5681618860), (70, 3977133202), (98, 2840809430), (140, 1988566601), (196, 1420404715), (245, 1136323772), (490, 568161886), (980, 284080943), (2713, 102616780), (5426, 51308390), (10852, 25654195), (13565, 20523356), (18991, 14659540), (27130, 10261678), (37982, 7329770), (54260, 5130839), (75964, 3664885), (94955, 2931908), (104711, 2658740), (132937, 2094220), (189910, 1465954), (209422, 1329370), (265874, 1047110), (379820, 732977), (418844, 664685), (523555, 531748)]