28939980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 86091264

約数和(自身を除く): 57151284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 67, 69, 92, 115, 134, 138, 201, 230, 268, 276, 313, 335, 345, 402, 460, 626, 670, 690, 804, 939, 1005, 1252, 1340, 1380, 1541, 1565, 1878, 2010, 3082, 3130, 3756, 4020, 4623, 4695, 6164, 6260, 7199, 7705, 9246, 9390, 14398, 15410, 18492, 18780, 20971, 21597, 23115, 28796, 30820, 35995, 41942, 43194, 46230, 62913, 71990, 83884, 86388, 92460, 104855, 107985, 125826, 143980, 209710, 215970, 251652, 314565, 419420, 431940, 482333, 629130, 964666, 1258260, 1446999, 1929332, 2411665, 2893998, 4823330, 5787996, 7234995, 9646660, 14469990, 28939980]

約数ペア:

[(1, 28939980), (2, 14469990), (3, 9646660), (4, 7234995), (5, 5787996), (6, 4823330), (10, 2893998), (12, 2411665), (15, 1929332), (20, 1446999), (23, 1258260), (30, 964666), (46, 629130), (60, 482333), (67, 431940), (69, 419420), (92, 314565), (115, 251652), (134, 215970), (138, 209710), (201, 143980), (230, 125826), (268, 107985), (276, 104855), (313, 92460), (335, 86388), (345, 83884), (402, 71990), (460, 62913), (626, 46230), (670, 43194), (690, 41942), (804, 35995), (939, 30820), (1005, 28796), (1252, 23115), (1340, 21597), (1380, 20971), (1541, 18780), (1565, 18492), (1878, 15410), (2010, 14398), (3082, 9390), (3130, 9246), (3756, 7705), (4020, 7199), (4623, 6260), (4695, 6164)]