28338200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1171}}^1$

素因数の和:1209

約数の個数: 72

約数和(自身を含む): 72482340

約数和(自身を除く): 44144140

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 968, 1100, 1171, 1210, 2200, 2342, 2420, 3025, 4684, 4840, 5855, 6050, 9368, 11710, 12100, 12881, 23420, 24200, 25762, 29275, 46840, 51524, 58550, 64405, 103048, 117100, 128810, 141691, 234200, 257620, 283382, 322025, 515240, 566764, 644050, 708455, 1133528, 1288100, 1416910, 2576200, 2833820, 3542275, 5667640, 7084550, 14169100, 28338200]

約数ペア:

[(1, 28338200), (2, 14169100), (4, 7084550), (5, 5667640), (8, 3542275), (10, 2833820), (11, 2576200), (20, 1416910), (22, 1288100), (25, 1133528), (40, 708455), (44, 644050), (50, 566764), (55, 515240), (88, 322025), (100, 283382), (110, 257620), (121, 234200), (200, 141691), (220, 128810), (242, 117100), (275, 103048), (440, 64405), (484, 58550), (550, 51524), (605, 46840), (968, 29275), (1100, 25762), (1171, 24200), (1210, 23420), (2200, 12881), (2342, 12100), (2420, 11710), (3025, 9368), (4684, 6050), (4840, 5855)]