402721620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30931}}^1$

素因数の和:30981

約数の個数: 96

約数和(自身を含む): 1330323456

約数和(自身を除く): 927601836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 30931, 61862, 92793, 123724, 154655, 185586, 216517, 309310, 371172, 433034, 463965, 618620, 649551, 866068, 927930, 958861, 1082585, 1299102, 1855860, 1917722, 2165170, 2598204, 2876583, 3247755, 3835444, 4330340, 4794305, 5753166, 6495510, 6712027, 9588610, 11506332, 12991020, 13424054, 14382915, 19177220, 20136081, 26848108, 28765830, 33560135, 40272162, 57531660, 67120270, 80544324, 100680405, 134240540, 201360810, 402721620]

約数ペア:

[(1, 402721620), (2, 201360810), (3, 134240540), (4, 100680405), (5, 80544324), (6, 67120270), (7, 57531660), (10, 40272162), (12, 33560135), (14, 28765830), (15, 26848108), (20, 20136081), (21, 19177220), (28, 14382915), (30, 13424054), (31, 12991020), (35, 11506332), (42, 9588610), (60, 6712027), (62, 6495510), (70, 5753166), (84, 4794305), (93, 4330340), (105, 3835444), (124, 3247755), (140, 2876583), (155, 2598204), (186, 2165170), (210, 1917722), (217, 1855860), (310, 1299102), (372, 1082585), (420, 958861), (434, 927930), (465, 866068), (620, 649551), (651, 618620), (868, 463965), (930, 433034), (1085, 371172), (1302, 309310), (1860, 216517), (2170, 185586), (2604, 154655), (3255, 123724), (4340, 92793), (6510, 61862), (13020, 30931)]