2018922620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{971}}^1$

素因数の和:1731

約数の個数: 96

約数和(自身を含む): 4992938496

約数和(自身を除く): 2974015876

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 727, 971, 1430, 1454, 1942, 2860, 2908, 3635, 3884, 4855, 7270, 7997, 9451, 9710, 10681, 12623, 14540, 15994, 18902, 19420, 21362, 25246, 31988, 37804, 39985, 42724, 47255, 50492, 53405, 63115, 79970, 94510, 103961, 106810, 126230, 138853, 159940, 189020, 207922, 213620, 252460, 277706, 415844, 519805, 555412, 694265, 705917, 1039610, 1388530, 1411834, 2079220, 2777060, 2823668, 3529585, 7059170, 7765087, 9176921, 14118340, 15530174, 18353842, 31060348, 36707684, 38825435, 45884605, 77650870, 91769210, 100946131, 155301740, 183538420, 201892262, 403784524, 504730655, 1009461310, 2018922620]

約数ペア:

[(1, 2018922620), (2, 1009461310), (4, 504730655), (5, 403784524), (10, 201892262), (11, 183538420), (13, 155301740), (20, 100946131), (22, 91769210), (26, 77650870), (44, 45884605), (52, 38825435), (55, 36707684), (65, 31060348), (110, 18353842), (130, 15530174), (143, 14118340), (220, 9176921), (260, 7765087), (286, 7059170), (572, 3529585), (715, 2823668), (727, 2777060), (971, 2079220), (1430, 1411834), (1454, 1388530), (1942, 1039610), (2860, 705917), (2908, 694265), (3635, 555412), (3884, 519805), (4855, 415844), (7270, 277706), (7997, 252460), (9451, 213620), (9710, 207922), (10681, 189020), (12623, 159940), (14540, 138853), (15994, 126230), (18902, 106810), (19420, 103961), (21362, 94510), (25246, 79970), (31988, 63115), (37804, 53405), (39985, 50492), (42724, 47255)]