28464700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 68276880

約数和(自身を除く): 39812180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 220, 226, 229, 275, 452, 458, 550, 565, 916, 1100, 1130, 1145, 1243, 2260, 2290, 2486, 2519, 2825, 4580, 4972, 5038, 5650, 5725, 6215, 10076, 11300, 11450, 12430, 12595, 22900, 24860, 25190, 25877, 31075, 50380, 51754, 62150, 62975, 103508, 124300, 125950, 129385, 251900, 258770, 284647, 517540, 569294, 646925, 1138588, 1293850, 1423235, 2587700, 2846470, 5692940, 7116175, 14232350, 28464700]

約数ペア:

[(1, 28464700), (2, 14232350), (4, 7116175), (5, 5692940), (10, 2846470), (11, 2587700), (20, 1423235), (22, 1293850), (25, 1138588), (44, 646925), (50, 569294), (55, 517540), (100, 284647), (110, 258770), (113, 251900), (220, 129385), (226, 125950), (229, 124300), (275, 103508), (452, 62975), (458, 62150), (550, 51754), (565, 50380), (916, 31075), (1100, 25877), (1130, 25190), (1145, 24860), (1243, 22900), (2260, 12595), (2290, 12430), (2486, 11450), (2519, 11300), (2825, 10076), (4580, 6215), (4972, 5725), (5038, 5650)]