1291509890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1\times {\mathrm{1153}}^1$

素因数の和:1787

約数の個数: 64

約数和(自身を含む): 2692051200

約数和(自身を除く): 1400541310

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 599, 935, 1153, 1198, 1870, 2306, 2995, 5765, 5990, 6589, 10183, 11530, 12683, 13178, 19601, 20366, 25366, 32945, 39202, 50915, 63415, 65890, 98005, 101830, 112013, 126830, 196010, 215611, 224026, 431222, 560065, 690647, 1078055, 1120130, 1381294, 2156110, 3453235, 6906470, 7597117, 11740999, 15194234, 23481998, 37985585, 58704995, 75971170, 117409990, 129150989, 258301978, 645754945, 1291509890]

約数ペア:

[(1, 1291509890), (2, 645754945), (5, 258301978), (10, 129150989), (11, 117409990), (17, 75971170), (22, 58704995), (34, 37985585), (55, 23481998), (85, 15194234), (110, 11740999), (170, 7597117), (187, 6906470), (374, 3453235), (599, 2156110), (935, 1381294), (1153, 1120130), (1198, 1078055), (1870, 690647), (2306, 560065), (2995, 431222), (5765, 224026), (5990, 215611), (6589, 196010), (10183, 126830), (11530, 112013), (12683, 101830), (13178, 98005), (19601, 65890), (20366, 63415), (25366, 50915), (32945, 39202)]