28994390740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{129197}}^1$

素因数の和:129449

約数の個数: 72

約数和(自身を含む): 71139002760

約数和(自身を除く): 42144612020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 916, 980, 1145, 1603, 2290, 3206, 4580, 6412, 8015, 11221, 16030, 22442, 32060, 44884, 56105, 112210, 129197, 224420, 258394, 516788, 645985, 904379, 1291970, 1808758, 2583940, 3617516, 4521895, 6330653, 9043790, 12661306, 18087580, 25322612, 29586113, 31653265, 59172226, 63306530, 118344452, 126613060, 147930565, 207102791, 295861130, 414205582, 591722260, 828411164, 1035513955, 1449719537, 2071027910, 2899439074, 4142055820, 5798878148, 7248597685, 14497195370, 28994390740]

約数ペア:

[(1, 28994390740), (2, 14497195370), (4, 7248597685), (5, 5798878148), (7, 4142055820), (10, 2899439074), (14, 2071027910), (20, 1449719537), (28, 1035513955), (35, 828411164), (49, 591722260), (70, 414205582), (98, 295861130), (140, 207102791), (196, 147930565), (229, 126613060), (245, 118344452), (458, 63306530), (490, 59172226), (916, 31653265), (980, 29586113), (1145, 25322612), (1603, 18087580), (2290, 12661306), (3206, 9043790), (4580, 6330653), (6412, 4521895), (8015, 3617516), (11221, 2583940), (16030, 1808758), (22442, 1291970), (32060, 904379), (44884, 645985), (56105, 516788), (112210, 258394), (129197, 224420)]