291211487420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1091}}^1\times {\mathrm{272369}}^1$

素因数の和:273483

約数の個数: 72

約数和(自身を含む): 712042727760

約数和(自身を除く): 420831240340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1091, 2182, 4364, 5455, 7637, 10910, 15274, 21820, 30548, 38185, 53459, 76370, 106918, 152740, 213836, 267295, 272369, 534590, 544738, 1069180, 1089476, 1361845, 1906583, 2723690, 3813166, 5447380, 7626332, 9532915, 13346081, 19065830, 26692162, 38131660, 53384324, 66730405, 133460810, 266921620, 297154579, 594309158, 1188618316, 1485772895, 2080082053, 2971545790, 4160164106, 5943091580, 8320328212, 10400410265, 14560574371, 20800820530, 29121148742, 41601641060, 58242297484, 72802871855, 145605743710, 291211487420]

約数ペア:

[(1, 291211487420), (2, 145605743710), (4, 72802871855), (5, 58242297484), (7, 41601641060), (10, 29121148742), (14, 20800820530), (20, 14560574371), (28, 10400410265), (35, 8320328212), (49, 5943091580), (70, 4160164106), (98, 2971545790), (140, 2080082053), (196, 1485772895), (245, 1188618316), (490, 594309158), (980, 297154579), (1091, 266921620), (2182, 133460810), (4364, 66730405), (5455, 53384324), (7637, 38131660), (10910, 26692162), (15274, 19065830), (21820, 13346081), (30548, 9532915), (38185, 7626332), (53459, 5447380), (76370, 3813166), (106918, 2723690), (152740, 1906583), (213836, 1361845), (267295, 1089476), (272369, 1069180), (534590, 544738)]