398782010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:759

約数の個数: 64

約数和(自身を含む): 805019904

約数和(自身を除く): 406237894

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 103, 110, 122, 206, 305, 515, 577, 610, 671, 1030, 1133, 1154, 1342, 2266, 2885, 3355, 5665, 5770, 6283, 6347, 6710, 11330, 12566, 12694, 31415, 31735, 35197, 59431, 62830, 63470, 69113, 70394, 118862, 138226, 175985, 297155, 345565, 351970, 387167, 594310, 653741, 691130, 774334, 1307482, 1935835, 3268705, 3625291, 3871670, 6537410, 7250582, 18126455, 36252910, 39878201, 79756402, 199391005, 398782010]

約数ペア:

[(1, 398782010), (2, 199391005), (5, 79756402), (10, 39878201), (11, 36252910), (22, 18126455), (55, 7250582), (61, 6537410), (103, 3871670), (110, 3625291), (122, 3268705), (206, 1935835), (305, 1307482), (515, 774334), (577, 691130), (610, 653741), (671, 594310), (1030, 387167), (1133, 351970), (1154, 345565), (1342, 297155), (2266, 175985), (2885, 138226), (3355, 118862), (5665, 70394), (5770, 69113), (6283, 63470), (6347, 62830), (6710, 59431), (11330, 35197), (12566, 31735), (12694, 31415)]